{"title":"MERV 4 Air Filters | Basic HVAC Protection","description":"\u003cdiv class=\"rtf-collection-intro\"\u003e\n\n\u003ch2\u003eMERV 1–7 Air Filters — HVAC, Furnace \u0026amp; AC\u003c\/h2\u003e\n\n\u003cp\u003eMERV 1–7 filters (most commonly MERV 1–4 fiberglass) are built for one job: protect your HVAC equipment from large debris. Affordable, high-airflow, and ideal for rentals, backup stock, and monthly-change schedules. Not an air quality solution.\u003c\/p\u003e\n\n\u003ch3\u003eWhat MERV 1–7 Captures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDust, lint, and hair\u003c\/li\u003e\n\u003cli\u003eCarpet fibers and large debris\u003c\/li\u003e\n\u003cli\u003eInsects and cobwebs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat It Doesn't Capture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePollen, pet dander, mold spores, smoke, allergens (requires \u003ca href=\"\/collections\/merv-8-rated-filters\"\u003eMERV 8\u003c\/a\u003e or higher)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs MERV 1–7 Right for My System?\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e property managers, landlords, HVAC contractors stocking service vehicles, homes prioritizing airflow over filtration, and pre-filter roles in multi-stage systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot ideal for:\u003c\/strong\u003e homes with pets, allergies, asthma, or air quality concerns—step up to MERV 8 or higher pleated filtration.\u003c\/p\u003e\n\n\u003ch3\u003eHow Often Should I Change a MERV 1–7 Filter?\u003c\/h3\u003e\n\n\u003cp\u003eEvery \u003cstrong\u003e60–90 days\u003c\/strong\u003e for 1″ and 2″ filters in a typical residential or light-commercial system. Homes with pets, high occupancy, or heavy HVAC cycling may need every 30–60 days. 4″ and 5″ media cabinets typically run 6–12 months.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy MERV 1–7 Filters From RememberTheFilter.com\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrusted brands\u003c\/strong\u003e — AAF Flanders, Koch, and our own PrimeShield line.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilter Fit Guarantee\u003c\/strong\u003e — if the size doesn't fit as expected, we'll make it right.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree shipping over $50\u003c\/strong\u003e, \u003ca href=\"\/collections\/subscription-filters\"\u003esubscribe \u0026amp; save up to 10%\u003c\/a\u003e, commercial \u0026amp; bulk pricing available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNot sure which rating your system can handle? Take our \u003ca href=\"\/pages\/merv-quiz\"\u003eMERV quiz\u003c\/a\u003e or call \u003cstrong\u003e1-866-469-8556\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003c\/div\u003e","products":[{"product_id":"flanders-precisionaire-ez-flow-ii-filters-12-pack","title":"Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"8x14x1","offer_id":36429400012,"sku":"10055-01814","price":91.99,"currency_code":"USD","in_stock":true},{"title":"8x16x1","offer_id":36429399500,"sku":"10055-01816","price":84.99,"currency_code":"USD","in_stock":true},{"title":"8x24x1","offer_id":36429400076,"sku":"10055-01824","price":71.99,"currency_code":"USD","in_stock":true},{"title":"8x30x1","offer_id":36429399564,"sku":"10055-01830","price":77.99,"currency_code":"USD","in_stock":true},{"title":"10x10x1","offer_id":33437266508,"sku":"10055-011010","price":64.99,"currency_code":"USD","in_stock":true},{"title":"10x20x1","offer_id":33437267148,"sku":"10055-011020","price":61.99,"currency_code":"USD","in_stock":true},{"title":"10x24x1","offer_id":36429398796,"sku":"10055-011024","price":63.99,"currency_code":"USD","in_stock":true},{"title":"10x25x1","offer_id":36429398860,"sku":"10055-011025","price":64.99,"currency_code":"USD","in_stock":true},{"title":"10x30x1","offer_id":36429398988,"sku":"10055-011030","price":71.99,"currency_code":"USD","in_stock":true},{"title":"12x12x1","offer_id":36429392460,"sku":"10055-011212","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x16x1","offer_id":36429399628,"sku":"10055-011216","price":75.99,"currency_code":"USD","in_stock":true},{"title":"12x18x1","offer_id":36429399756,"sku":"10055-011218","price":63.99,"currency_code":"USD","in_stock":true},{"title":"12x20x1","offer_id":36429392524,"sku":"10055-011220","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x24x1","offer_id":36429392588,"sku":"10055-011224","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x25x1","offer_id":36429392652,"sku":"10055-011225","price":63.99,"currency_code":"USD","in_stock":true},{"title":"12x30x1","offer_id":36429398732,"sku":"10055-011230","price":72.99,"currency_code":"USD","in_stock":true},{"title":"12x30-5\/8x1","offer_id":36429400140,"sku":"10055-01123058","price":96.99,"currency_code":"USD","in_stock":true},{"title":"12x36x1","offer_id":36429398348,"sku":"10055-011236","price":93.99,"currency_code":"USD","in_stock":true},{"title":"14x14x1","offer_id":36429392716,"sku":"10055-011414","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x18x1","offer_id":36429399884,"sku":"10055-011418","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x20x1","offer_id":36429392780,"sku":"10055-011420","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x24x1","offer_id":36429392844,"sku":"10055-011424","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x25x1","offer_id":36429392908,"sku":"10055-011425","price":61.99,"currency_code":"USD","in_stock":true},{"title":"14x30x1","offer_id":36429392972,"sku":"10055-011430","price":97.99,"currency_code":"USD","in_stock":true},{"title":"14x36x1","offer_id":44068023009402,"sku":"10055-011436","price":206.99,"currency_code":"USD","in_stock":true},{"title":"15x20x1","offer_id":36429393036,"sku":"10055-011520","price":61.99,"currency_code":"USD","in_stock":true},{"title":"15x25x1","offer_id":36429399052,"sku":"10055-011525","price":64.99,"currency_code":"USD","in_stock":true},{"title":"15x30x1","offer_id":36429399116,"sku":"10055-011530","price":93.99,"currency_code":"USD","in_stock":true},{"title":"15x30-5\/8x1","offer_id":36429400204,"sku":"10055-01153058","price":98.99,"currency_code":"USD","in_stock":true},{"title":"16x16x1","offer_id":36429393164,"sku":"10055-011616","price":59.99,"currency_code":"USD","in_stock":true},{"title":"16x18x1","offer_id":36429400268,"sku":"10055-011618","price":65.99,"currency_code":"USD","in_stock":true},{"title":"16x20x1","offer_id":36429393228,"sku":"10055-011620","price":60.99,"currency_code":"USD","in_stock":true},{"title":"16x22-1\/4x1","offer_id":36429399180,"sku":"10055-01162214","price":96.99,"currency_code":"USD","in_stock":true},{"title":"16x24x1","offer_id":36429393292,"sku":"10055-011624","price":61.99,"currency_code":"USD","in_stock":true},{"title":"16x25x1","offer_id":36429393356,"sku":"10055-011625","price":61.99,"currency_code":"USD","in_stock":true},{"title":"16x30x1","offer_id":36429393484,"sku":"10055-011630","price":87.99,"currency_code":"USD","in_stock":true},{"title":"16x32x1","offer_id":36429400332,"sku":"10055-011632","price":94.99,"currency_code":"USD","in_stock":true},{"title":"17-1\/2x17-1\/2x1","offer_id":36429400588,"sku":"10055-01175175","price":89.99,"currency_code":"USD","in_stock":true},{"title":"17x19x1","offer_id":36429400396,"sku":"10055-011719","price":91.99,"currency_code":"USD","in_stock":true},{"title":"17x21x1","offer_id":36429400524,"sku":"10055-011721","price":96.99,"currency_code":"USD","in_stock":true},{"title":"17-1\/2x23-1\/2x1","offer_id":36429398540,"sku":"10055-01175235","price":96.99,"currency_code":"USD","in_stock":true},{"title":"18x18x1","offer_id":36429393612,"sku":"10055-011818","price":59.99,"currency_code":"USD","in_stock":true},{"title":"18x20x1","offer_id":36429393740,"sku":"10055-011820","pri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Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e10″ × 10″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011010\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437298316,"sku":"10055-011010","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_4a026eaf-6284-4372-98c7-9f8ca2e3731c.jpg?v=1769976437"},{"product_id":"10x20x1-ez-flow-ii-filters-10055-011020-12-filters","title":"10x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e10″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011020\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437311436,"sku":"10055-011020","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_d91e7ce4-7d32-424a-9cab-e37f05bb4511.jpg?v=1769977920"},{"product_id":"10x24x1-ez-flow-ii-filters-10055-011024-12-filters","title":"10x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e10″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011024\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437317900,"sku":"10055-011024","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/41137_A.eps_High.jpg?v=1769976013"},{"product_id":"10x25x1-ez-flow-ii-filters-10055-011025-12-filters","title":"10x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e10″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011025\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437327820,"sku":"10055-011025","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_3ae818f2-230e-452e-98c5-e25df163d65d.jpg?v=1769978150"},{"product_id":"10x30x1-ez-flow-ii-filters-10055-011030-12-filters","title":"10x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e10″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011030\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437339148,"sku":"10055-011030","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_73d4bb03-e942-4c1f-94f7-90ee5537e878.jpg?v=1769978583"},{"product_id":"12x12x1-ez-flow-ii-filters-10055-011212-12-filters","title":"12x12x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 12″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011212\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437348748,"sku":"10055-011212","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_3ad1ecbb-3fc9-4226-b88d-ac93335abaff.jpg?v=1769977775"},{"product_id":"12x16x1-ez-flow-ii-filters-10055-011216-12-filters","title":"12x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 16″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011216\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437365260,"sku":"10055-011216","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_d99724db-2b35-4650-9783-132ad17ecf7e.jpg?v=1769979558"},{"product_id":"12x18x1-ez-flow-ii-filters-10055-011218-12-filters","title":"12x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 18″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011218\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437367500,"sku":"10055-011218","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_dda4514d-f5cc-407e-8bef-e06bca1a0876.jpg?v=1769979558"},{"product_id":"12x20x1-ez-flow-ii-filters-10055-011220-12-filters","title":"12x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011220\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437381644,"sku":"10055-011220","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_fbc203b1-3961-4afc-9cdf-3574171a9ab3.jpg?v=1769976226"},{"product_id":"12x24x1-ez-flow-ii-filters-10055-011224-12-filters","title":"12x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011224\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437393740,"sku":"10055-011224","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_c17e03be-a2b9-4ea6-8537-2e96f7160753.jpg?v=1769977650"},{"product_id":"12x25x1-ez-flow-ii-filters-10055-011225-12-filters","title":"12x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011225\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437404556,"sku":"10055-011225","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_c96238e2-8542-46b1-8368-5643ec69a22e.jpg?v=1769978247"},{"product_id":"12x30x1-ez-flow-ii-filters-10055-011230-12-filters","title":"12x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011230\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437410700,"sku":"10055-011230","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_4853a087-8857-45a7-9c4c-2ee69a9774f8.jpg?v=1769977884"},{"product_id":"12x30-5-8x1-ez-flow-ii-filters-10055-01123058-12-filters","title":"12x30-5\/8x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 30⅝″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01123058\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437413772,"sku":"10055-01123058","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_db1cee0a-29c7-4634-a3d1-f75c88057d76.jpg?v=1759358043"},{"product_id":"12x36x1-ez-flow-ii-filters-10055-011236-12-filters","title":"12x36x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e12″ × 36″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011236\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437422156,"sku":"10055-011236","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_0c47f5ae-a33e-4216-961f-58910948e637.jpg?v=1769976314"},{"product_id":"14x14x1-ez-flow-ii-filters-10055-011414-12-filters","title":"14x14x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 14″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011414\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437431308,"sku":"10055-011414","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_2abd8727-627f-4357-bff9-d49d49c2920f.jpg?v=1769977731"},{"product_id":"14x18x1-ez-flow-ii-filters-10055-011418-12-filters","title":"14x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 18″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011418\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437435148,"sku":"10055-011418","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4261392_A.eps_High.jpg?v=1769975679"},{"product_id":"14x20x1-ez-flow-ii-filters-10055-011420-12-filters","title":"14x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011420\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437441228,"sku":"10055-011420","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4595294_A.eps_High.jpg?v=1769975899"},{"product_id":"14x24x1-ez-flow-ii-filters-10055-011424-12-filters","title":"14x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011424\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437451084,"sku":"10055-011424","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/41141_A.eps_High.jpg?v=1769976075"},{"product_id":"14x25x1-ez-flow-ii-filters-10055-011425-12-filters","title":"14x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011425\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437457484,"sku":"10055-011425","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_c6691051-8085-45ef-8088-9b3c63995560.jpg?v=1769977691"},{"product_id":"14x30x1-ez-flow-ii-filters-10055-011430-12-filters","title":"14x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e14″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011430\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437470220,"sku":"10055-011430","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_0f0a521e-3c90-4d7d-824a-8ae93b9bd4fd.jpg?v=1769979558"},{"product_id":"15x20x1-ez-flow-ii-filters-10055-011520-12-filters","title":"15x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e15″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011520\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437491340,"sku":"10055-011520","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_4bb35550-f09a-4d65-895b-9414673326f4.jpg?v=1769979056"},{"product_id":"15x25x1-ez-flow-ii-filters-10055-011525-12-filters","title":"15x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e15″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011525\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437513292,"sku":"10055-011525","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/41163_A.eps_High.jpg?v=1769976125"},{"product_id":"15x30x1-ez-flow-ii-filters-10055-011530-12-filters","title":"15x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e15″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011530\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437534028,"sku":"10055-011530","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_99eb68af-71ee-4841-ad83-1365e97e9155.jpg?v=1769978967"},{"product_id":"15x30-5-8x1-ez-flow-ii-filters-10055-01153058-12-filters","title":"15x30-5\/8x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e15″ × 30⅝″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01153058\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437538124,"sku":"10055-01153058","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_cab5509c-e500-4744-8478-95c4151c4b2c.jpg?v=1759358059"},{"product_id":"16x16x1-ez-flow-ii-filters-10055-011616-12-filters","title":"16x16x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 16″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011616\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437552588,"sku":"10055-011616","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_faacb6cc-ede9-4ca8-a6ff-b7305b8c5428.jpg?v=1769976487"},{"product_id":"16x18x1-ez-flow-ii-filters-10055-011618-12-filters","title":"16x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 18″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011618\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437555788,"sku":"10055-011618","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_d7ac3f9c-956d-4d3e-99ea-d85c55fe3d2a.jpg?v=1769978068"},{"product_id":"16x20x1-ez-flow-ii-filters-10055-011620-12-filters","title":"16x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011620\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437569164,"sku":"10055-011620","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4595088_A.eps_High.jpg?v=1769975505"},{"product_id":"16x22-1-4x1-ez-flow-ii-filters-10055-01162214-12-filters","title":"16x22-1\/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 22¼″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01162214\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437578124,"sku":"10055-01162214","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_94906935-dbf3-4728-9517-e94176ed6337.jpg?v=1759358064"},{"product_id":"16x24x1-ez-flow-ii-filters-10055-011624-12-filters","title":"16x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011624\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437583500,"sku":"10055-011624","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image.jpg?v=1769976175"},{"product_id":"16x25x1-ez-flow-ii-filters-10055-011625-12-filters","title":"16x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011625\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437675660,"sku":"10055-011625","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4595260_A.eps_High.jpg?v=1769975850"},{"product_id":"16x30x1-ez-flow-ii-filters-10055-011630-12-filters","title":"16x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011630\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437681484,"sku":"10055-011630","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_d0288c28-864a-4bf6-9873-5fa670446e7f.jpg?v=1769979558"},{"product_id":"16x32x1-ez-flow-ii-filters-10055-011632-12-filters","title":"16x32x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e16″ × 32″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011632\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437688908,"sku":"10055-011632","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_b915a705-7681-4c6f-84b7-4ad14bf5301d.jpg?v=1759358070"},{"product_id":"17x19x1-ez-flow-ii-filters-10055-011719-12-filters","title":"17x19x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e17″ × 19″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011719\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437705356,"sku":"10055-011719","price":91.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_ac8c7f67-8ada-49a4-ad8b-f857af2f54fa.jpg?v=1759358071"},{"product_id":"17x21x1-ez-flow-ii-filters-10055-011721-12-filters","title":"17x21x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e17″ × 21″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011721\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437716428,"sku":"10055-011721","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_413d1750-b662-4f67-a653-67473b1ee582.jpg?v=1759358072"},{"product_id":"17-1-2x17-1-2x1-ez-flow-ii-filters-10055-01175175-12-filters","title":"17-1\/2x17-1\/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e17½″ × 17½″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01175175\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437726220,"sku":"10055-01175175","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_176f5493-588a-445b-bec3-f0183abc44ca.jpg?v=1759358074"},{"product_id":"17-1-2x23-1-2x1-ez-flow-ii-filters-10055-01175235-12-filters","title":"17-1\/2x23-1\/2x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e17½″ × 23½″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01175235\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437743116,"sku":"10055-01175235","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_84b46d0a-fd83-4254-8f88-c421ce8a9e7a.jpg?v=1759358075"},{"product_id":"18x18x1-ez-flow-ii-filters-10055-011818-12-filters","title":"18x18x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e18″ × 18″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011818\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437744204,"sku":"10055-011818","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_e69c98ee-de5e-4c3e-9ddd-c393d51aa3f3.jpg?v=1769976355"},{"product_id":"18x20x1-ez-flow-ii-filters-10055-011820-12-filters","title":"18x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e18″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011820\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437763660,"sku":"10055-011820","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/42794_A.eps_High.jpg?v=1769975743"},{"product_id":"18x24x1-ez-flow-ii-filters-10055-011824-12-filters","title":"18x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e18″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011824\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437763980,"sku":"10055-011824","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_a0ddebe0-4cd6-451c-9fe7-02b27a88c263.jpg?v=1769976530"},{"product_id":"18x25x1-ez-flow-ii-filters-10055-011825-12-filters","title":"18x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e18″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011825\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437765324,"sku":"10055-011825","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_fbba0b0a-ceb6-495f-b7ee-2fd80be5caf0.jpg?v=1769978752"},{"product_id":"18x30x1-ez-flow-ii-filters-10055-011830-12-filters","title":"18x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e18″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011830\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437780428,"sku":"10055-011830","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_fa4eaef7-2ed8-4269-97a3-35388422d78c.jpg?v=1769977610"},{"product_id":"19x22x1-ez-flow-ii-filters-10055-011922-12-filters","title":"19x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e19″ × 22″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011922\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437816268,"sku":"10055-011922","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZFlow-II_f519aaa4-b8a8-403a-bc7f-927f200e9a45.jpg?v=1759358086"},{"product_id":"19x27x1-ez-flow-ii-filters-10055-011927-12-filters","title":"19x27x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e19″ × 27″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.011927\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437825228,"sku":"10055-011927","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_3ce550c8-9441-4c4e-8647-595f8f7af40f.jpg?v=1769978628"},{"product_id":"20x20x1-ez-flow-ii-filters-10055-012020-12-filters","title":"20x20x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 20″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.012020\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437852876,"sku":"10055-012020","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4595385_A.eps_High-2.jpg?v=1769975621"},{"product_id":"20x22x1-ez-flow-ii-filters-10055-012022-12-filters","title":"20x22x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 22″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.012022\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437856268,"sku":"10055-012022","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_ccd24e9d-5023-47e7-88af-ce1b8ced1327.jpg?v=1769976275"},{"product_id":"20x22-1-4x1-ez-flow-ii-filters-10055-01202214-12-filters","title":"20x22-1\/4x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 22¼″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.01202214\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437868492,"sku":"10055-01202214","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_5c907ae3-0fbd-4d39-b350-e295bea7d069.jpg?v=1769976397"},{"product_id":"20x24x1-ez-flow-ii-filters-10055-012024-12-filters","title":"20x24x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 24″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.012024\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437869068,"sku":"10055-012024","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_6c241dbf-9e65-40a7-ad10-b61db89fa443.jpg?v=1769977843"},{"product_id":"20x25x1-ez-flow-ii-filters-10055-012025-12-filters","title":"20x25x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 25″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.012025\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437886028,"sku":"10055-012025","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/4595112_A.eps_High.jpg?v=1769975793"},{"product_id":"20x30x1-ez-flow-ii-filters-10055-012030-12-filters","title":"20x30x1 Flanders EZ Flow Fiberglass MERV 1-4 Filter (12 Filters)","description":"\u003cp\u003eThis \u003cstrong\u003e20″ × 30″ × 1″\u003c\/strong\u003e \u003cstrong\u003eFlanders EZ Flow\u003c\/strong\u003e spun-fiberglass panel filter (part number \u003cstrong\u003e10055.012030\u003c\/strong\u003e) ships as a case of \u003cstrong\u003e12 filters\u003c\/strong\u003e and is built for one job: \u003cstrong\u003eprotect your HVAC equipment while maximizing airflow\u003c\/strong\u003e. It's the category-leading fiberglass filter that's been keeping coils, blowers, and heat exchangers free of lint and large debris for decades.\u003c\/p\u003e\n\u003ch3\u003eUnderstanding the MERV 1–4 rating\u003c\/h3\u003e\n\u003cp\u003eFiberglass media is rated \u003cstrong\u003eMERV 1 when clean and builds up to MERV 4\u003c\/strong\u003e as dust loads onto the fibers. That's not inconsistency — it's how spun-glass media works. A fresh filter lets the most air through while still blocking larger debris; as dust collects, the media becomes more efficient at catching finer particles. The goal of a MERV 1–4 filter isn't air quality — it's \u003cstrong\u003eequipment protection with maximum airflow\u003c\/strong\u003e. It keeps lint, hair, and large dust out of your coil and blower, which is exactly what older systems, high-airflow applications, and pre-filter duty need.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection, not air quality\u003c\/h3\u003e\n\u003cp\u003eEZ Flow isn't designed to filter fine dust, allergens, or smoke. It's designed to stop the stuff that damages HVAC equipment — lint, hair, large dust clumps, and insulation fragments — before they hit your coil or blower. For allergen filtration, step up to a pleated MERV 8 or higher. For system protection with maximum airflow (and the lowest filter cost in the category), EZ Flow is the right tool.\u003c\/p\u003e\n\u003ch3\u003eDesign and construction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass, bonded with resinous adhesive for rigidity and compression resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard — no corner seams to separate. Media adhered directly to the frame with hot-melt adhesive, no metal retainer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUL listing:\u003c\/strong\u003e UL 900 listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e Replace every 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen EZ Flow is the right choice\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLegacy or older HVAC systems not designed for higher-MERV static pressure\u003c\/li\u003e\n  \u003cli\u003eRental properties where maintenance burden matters more than fine filtration\u003c\/li\u003e\n  \u003cli\u003eWorkshops, garages, and outbuildings with lots of airborne debris\u003c\/li\u003e\n  \u003cli\u003ePre-filter duty in front of a higher-MERV filter\u003c\/li\u003e\n  \u003cli\u003eCommercial applications prioritizing airflow over fine particulate capture\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpec sheet\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/EZ_Flow_II_AFP-1-392D-3.pdf?v=1753301648%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload EZ Flow spec sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eAlso worth considering\u003c\/h3\u003e\n\u003cp\u003eShopping on price? Our house brand \u003ca href=\"\/products\/merv-1-4-fiberglass-panel-basic-air-filters-12-pack\"\u003ePrimeShield MAX Airflow (MERV 1–4)\u003c\/a\u003e covers the same efficiency tier across common residential and commercial sizes and is usually the better value. Choose this branded option when your equipment spec sheet or facilities team calls for it specifically.\u003c\/p\u003e\n\u003ch3\u003eQuestions on fit, quantity, or a commercial quote?\u003c\/h3\u003e\n\u003cp\u003eNeed a size that isn't listed, a different pack count, or a quote for a commercial order? \u003ca href=\"\/pages\/contact-us\"\u003eGet in touch\u003c\/a\u003e — we handle facilities and commercial orders daily and can usually match or beat distributor pricing.\u003c\/p\u003e","brand":"AAF Flanders","offers":[{"title":"Default Title","offer_id":33437889164,"sku":"10055-012030","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/image_6f1c22ac-52a3-49fd-a945-ac90bf2acc31.jpg?v=1769977555"}],"url":"https:\/\/www.rememberthefilter.com\/collections\/merv-7-and-under.oembed?page=2","provider":"RememberTheFilter.com","version":"1.0","type":"link"}