{"title":"Koch Type GD Fiberglass Panel Filters | MERV 1-4 Equipment Protection","description":"\u003cp\u003eKoch \u003cstrong\u003eType GD\u003c\/strong\u003e fiberglass panel filters and disposable polyester panels — MERV 1-4 baseline filtration where the priority is maximum airflow and equipment protection rather than air quality. Used as throwaway prefilters in commercial AHUs ahead of Multi-Cell, DURAMAX, or MicroMAX final-stage filtration; in light-duty residential equipment where pleated construction would create excess pressure drop; and in property-management and rental portfolios where monthly filter changes favor the lowest-cost option. MERV 1-4 is engineered for equipment protection — it lets the maximum CFM through while catching lint, hair, and large debris that would otherwise foul the blower motor and evaporator coil. Not a substitute for pleated MERV 8+ in air-quality-sensitive applications.\u003c\/p\u003e","products":[{"product_id":"koch-disposable-fiberglass-panel-filters","title":"Koch Disposable Fiberglass Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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":"Koch","offers":[{"title":"8x16x1","offer_id":43884669010042,"sku":"274-080-160","price":84.99,"currency_code":"USD","in_stock":true},{"title":"8x30x1","offer_id":43884669042810,"sku":"274-080-300","price":77.99,"currency_code":"USD","in_stock":true},{"title":"10x10x1","offer_id":43884669075578,"sku":"274-100-100","price":85.99,"currency_code":"USD","in_stock":true},{"title":"10x20x1","offer_id":43884668223610,"sku":"274-100-200","price":89.99,"currency_code":"USD","in_stock":true},{"title":"10x24x1","offer_id":43884669108346,"sku":"274-100-240","price":63.99,"currency_code":"USD","in_stock":true},{"title":"10x25x1","offer_id":43884669141114,"sku":"274-100-250","price":64.99,"currency_code":"USD","in_stock":true},{"title":"10x30x1","offer_id":43884669173882,"sku":"274-100-300","price":71.99,"currency_code":"USD","in_stock":true},{"title":"12x12x1","offer_id":43884669206650,"sku":"274-120-120","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x16x1","offer_id":43884669239418,"sku":"274-120-160","price":75.99,"currency_code":"USD","in_stock":true},{"title":"12x18x1","offer_id":43884669272186,"sku":"274-120-180","price":74.99,"currency_code":"USD","in_stock":true},{"title":"12x20x1","offer_id":43884669304954,"sku":"274-120-200","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x24x1","offer_id":43884669337722,"sku":"274-120-240","price":59.99,"currency_code":"USD","in_stock":true},{"title":"12x25x1","offer_id":43884669370490,"sku":"274-120-250","price":104.99,"currency_code":"USD","in_stock":true},{"title":"12x30x1","offer_id":43884669403258,"sku":"274-120-300","price":72.99,"currency_code":"USD","in_stock":true},{"title":"12x30-5\/8x1","offer_id":43884669436026,"sku":"274-120-306","price":96.99,"currency_code":"USD","in_stock":true},{"title":"12x36x1","offer_id":43884669468794,"sku":"274-120-360","price":93.99,"currency_code":"USD","in_stock":true},{"title":"14x14x1","offer_id":43884669501562,"sku":"274-140-140","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x18x1","offer_id":43884669534330,"sku":"274-140-180","price":68.99,"currency_code":"USD","in_stock":true},{"title":"14x20x1","offer_id":43884669567098,"sku":"274-140-200","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x24x1","offer_id":43884669599866,"sku":"274-140-240","price":59.99,"currency_code":"USD","in_stock":true},{"title":"14x25x1","offer_id":43884669632634,"sku":"274-140-250","price":61.99,"currency_code":"USD","in_stock":true},{"title":"14x30x1","offer_id":43884669665402,"sku":"274-140-300","price":97.99,"currency_code":"USD","in_stock":true},{"title":"15x20x1","offer_id":43884669698170,"sku":"274-150-200","price":61.99,"currency_code":"USD","in_stock":true},{"title":"15x25x1","offer_id":43884669730938,"sku":"274-150-250","price":64.99,"currency_code":"USD","in_stock":true},{"title":"15x30x1","offer_id":43884669763706,"sku":"274-150-300","price":93.99,"currency_code":"USD","in_stock":true},{"title":"15x30-5\/8x1","offer_id":43884669796474,"sku":"274-150-306","price":98.99,"currency_code":"USD","in_stock":true},{"title":"16x16x1","offer_id":43884669829242,"sku":"274-160-160","price":89.99,"currency_code":"USD","in_stock":true},{"title":"16x18x1","offer_id":43884669862010,"sku":"274-160-180","price":85.99,"currency_code":"USD","in_stock":true},{"title":"16x20x1","offer_id":43884669894778,"sku":"274-160-200","price":60.99,"currency_code":"USD","in_stock":true},{"title":"16x22-1\/4x1","offer_id":43884669927546,"sku":"274-160-222","price":96.99,"currency_code":"USD","in_stock":true},{"title":"16x24x1","offer_id":43884669960314,"sku":"274-160-240","price":61.99,"currency_code":"USD","in_stock":true},{"title":"16x25x1","offer_id":43884669993082,"sku":"274-160-250","price":61.99,"currency_code":"USD","in_stock":true},{"title":"16x30x1","offer_id":43884670025850,"sku":"274-160-300","price":87.99,"currency_code":"USD","in_stock":true},{"title":"18x18x1","offer_id":43884670058618,"sku":"274-180-180","price":79.99,"currency_code":"USD","in_stock":true},{"title":"18x20x1","offer_id":43884670091386,"sku":"274-180-200","price":84.99,"currency_code":"USD","in_stock":true},{"title":"18x24x1","offer_id":43884670124154,"sku":"274-180-240","price":61.99,"currency_code":"USD","in_stock":true},{"title":"18x25x1","offer_id":43884670156922,"sku":"274-180-250","price":95.99,"currency_code":"USD","in_stock":true},{"title":"18x30x1","offer_id":43884670189690,"sku":"274-180-300","price":102.99,"currency_code":"USD","in_stock":true},{"title":"18x36x1","offer_id":43884670222458,"sku":"274-180-360","price":126.99,"currency_code":"USD","in_stock":true},{"title":"19x27x1","offer_id":43884670255226,"sku":"274-190-270","price":98.99,"currency_code":"USD","in_stock":true},{"title":"20x20x1","offer_id":43884670287994,"sku":"274-200-200","price":60.99,"currency_code":"USD","in_stock":true},{"title":"20x22-1\/4x1","offer_id":43884670320762,"sku":"274-200-222","price":94.99,"currency_code":"USD","in_stock":true},{"title":"20x24x1","offer_id":43884670353530,"sku":"274-200-240","price":71.99,"currency_code":"USD","in_stock":true},{"title":"20x25x1","offer_id":43884670386298,"sku":"274-200-250","price":72.99,"currency_code":"USD","in_stock":true},{"title":"20x30x1","offer_id":43884670419066,"sku":"274-200-300","price":85.99,"currency_code":"USD","in_stock":true},{"title":"20x36x1","offer_id":43884670451834,"sku":"274-200-360","price":269.99,"currency_code":"USD","in_stock":true},{"title":"21x21x1","offer_id":43884670484602,"sku":"274-210-210","price":87.99,"currency_code":"USD","in_stock":true},{"title":"22x22x1","offer_id":43884670517370,"sku":"274-220-220","price":95.99,"currency_code":"USD","in_stock":true},{"title":"24x24x1","offer_id":43884670550138,"sku":"274-240-240","price":86.99,"currency_code":"USD","in_stock":true},{"title":"24x30x1","offer_id":43884670582906,"sku":"274-240-300","price":122.99,"currency_code":"USD","in_stock":true},{"title":"24x36x1","offer_id":43884670615674,"sku":"274-240-360","price":182.99,"currency_code":"USD","in_stock":true},{"title":"25x25x1","offer_id":43884670648442,"sku":"274-250-250","price":96.99,"currency_code":"USD","in_stock":true},{"title":"10x10x2","offer_id":43884670681210,"sku":"276-100-100","price":269.99,"currency_code":"USD","in_stock":true},{"title":"10x20x2","offer_id":43884670713978,"sku":"276-100-200","price":269.99,"currency_code":"USD","in_stock":true},{"title":"12x24x2","offer_id":43884670746746,"sku":"276-120-240","price":269.99,"currency_code":"USD","in_stock":true},{"title":"14x20x2","offer_id":43884670779514,"sku":"276-140-200","price":269.99,"currency_code":"USD","in_stock":true},{"title":"14x25x2","offer_id":43884670812282,"sku":"276-140-250","price":274.99,"currency_code":"USD","in_stock":true},{"title":"15x20x2","offer_id":43884670845050,"sku":"276-150-200","price":274.99,"currency_code":"USD","in_stock":true},{"title":"16x20x2","offer_id":43884670877818,"sku":"276-160-200","price":274.99,"currency_code":"USD","in_stock":true},{"title":"16x24x2","offer_id":43884670910586,"sku":"276-160-240","price":274.99,"currency_code":"USD","in_stock":true},{"title":"16x25x2","offer_id":43884670943354,"sku":"276-160-250","price":274.99,"currency_code":"USD","in_stock":true},{"title":"18x24x2","offer_id":43884670976122,"sku":"276-180-240","price":278.99,"currency_code":"USD","in_stock":true},{"title":"18x25x2","offer_id":43884671008890,"sku":"276-180-250","price":278.99,"currency_code":"USD","in_stock":true},{"title":"20x20x2","offer_id":43884671041658,"sku":"276-200-200","price":286.99,"currency_code":"USD","in_stock":true},{"title":"20x24x2","offer_id":43884671074426,"sku":"276-200-240","price":286.99,"currency_code":"USD","in_stock":true},{"title":"20x25x2","offer_id":43884671107194,"sku":"276-200-250","price":294.99,"currency_code":"USD","in_stock":true},{"title":"24x24x2","offer_id":43884671139962,"sku":"276-240-240","price":294.99,"currency_code":"USD","in_stock":true},{"title":"25x25x2","offer_id":43884671172730,"sku":"276-250-250","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_c18b3a94-7546-4668-8b18-a604f384e29f.jpg?v=1729014541"},{"product_id":"8x16x1-koch-disposable-fiberglass-panel-274-080-160-12-filters","title":"8x16x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 8″ × 16″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896637948026,"sku":"274-080-160","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_1b710cf7-9d29-4f9e-8f94-3560d800e5e2.jpg?v=1731375289"},{"product_id":"8x16x1-koch-disposable-fiberglass-panel-274-080-160-12-filters-1","title":"8x16x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 8″ × 16″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638013562,"sku":"274-080-160","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_9ce5de78-ad5b-4201-a7ee-e53d0dba6bdc.jpg?v=1731375746"},{"product_id":"8x30x1-koch-disposable-fiberglass-panel-274-080-300-12-filters","title":"8x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 8″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638046330,"sku":"274-080-300","price":77.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_29fa332c-574a-4266-82cb-a4304981fd5d.jpg?v=1731375752"},{"product_id":"10x10x1-koch-disposable-fiberglass-panel-274-100-100-12-filters","title":"10x10x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 10″ × 10″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638079098,"sku":"274-100-100","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_f060d824-3cc5-4c7d-baef-8da8c65f6670.jpg?v=1731375759"},{"product_id":"10x20x1-koch-disposable-fiberglass-panel-274-100-200-12-filters","title":"10x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 10″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638111866,"sku":"274-100-200","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_853a1de6-e5de-47f1-9ddc-88debf1af5ee.jpg?v=1731375765"},{"product_id":"10x24x1-koch-disposable-fiberglass-panel-274-100-240-12-filters","title":"10x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 10″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638144634,"sku":"274-100-240","price":63.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_005d6173-6592-495a-9fb8-4d787fd8101a.jpg?v=1731375772"},{"product_id":"10x25x1-koch-disposable-fiberglass-panel-274-100-250-12-filters","title":"10x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 10″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638177402,"sku":"274-100-250","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_c4954bbd-85dc-40cb-b1b3-3f60d81b72cf.jpg?v=1731375778"},{"product_id":"10x30x1-koch-disposable-fiberglass-panel-274-100-300-12-filters","title":"10x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 10″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638210170,"sku":"274-100-300","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_08c4c653-c651-4903-9c88-000c162fcc3a.jpg?v=1759428853"},{"product_id":"12x12x1-koch-disposable-fiberglass-panel-274-120-120-12-filters","title":"12x12x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 12″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638242938,"sku":"274-120-120","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_a22ae903-e9ec-483e-ae50-9408d8e56f49.jpg?v=1731375791"},{"product_id":"12x16x1-koch-disposable-fiberglass-panel-274-120-160-12-filters","title":"12x16x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 16″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638275706,"sku":"274-120-160","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_82c474e1-bbe7-4107-952f-92f6b250098e.jpg?v=1759428854"},{"product_id":"12x18x1-koch-disposable-fiberglass-panel-274-120-180-12-filters","title":"12x18x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 18″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638308474,"sku":"274-120-180","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_de3f1b3b-7d31-4590-b805-a36821178a77.jpg?v=1759428854"},{"product_id":"12x20x1-koch-disposable-fiberglass-panel-274-120-200-12-filters","title":"12x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638341242,"sku":"274-120-200","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_f901de42-519d-4ef0-a7c4-bfc37af5a311.jpg?v=1731375810"},{"product_id":"12x24x1-koch-disposable-fiberglass-panel-274-120-240-12-filters","title":"12x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638374010,"sku":"274-120-240","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_4789b368-7458-4140-88f6-9e4becf89fa4.jpg?v=1731375816"},{"product_id":"12x25x1-koch-disposable-fiberglass-panel-274-120-250-12-filters","title":"12x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638406778,"sku":"274-120-250","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_4a62bbcf-7f5a-4402-bd0d-7ddd07058261.jpg?v=1731375825"},{"product_id":"12x30x1-koch-disposable-fiberglass-panel-274-120-300-12-filters","title":"12x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638439546,"sku":"274-120-300","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_b55b2598-22de-4f21-ab91-89a8b66f46a8.jpg?v=1731375831"},{"product_id":"12x30-5-8x1-koch-disposable-fiberglass-panel-274-120-306-12-filters","title":"12x30-5\/8x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 30⅝″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638472314,"sku":"274-120-306","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_63f4f6f2-121c-4032-85c5-90ee7da97480.jpg?v=1759428855"},{"product_id":"12x36x1-koch-disposable-fiberglass-panel-274-120-360-12-filters","title":"12x36x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 12″ × 36″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638505082,"sku":"274-120-360","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_8bae9a64-2622-438f-8a9b-52147c4445ce.jpg?v=1731375851"},{"product_id":"14x14x1-koch-disposable-fiberglass-panel-274-140-140-12-filters","title":"14x14x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 14″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896638570618,"sku":"274-140-140","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_31c98035-ea32-4473-aa2a-65605de278f2.jpg?v=1759428856"},{"product_id":"14x18x1-koch-disposable-fiberglass-panel-274-140-180-12-filters","title":"14x18x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 18″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639684730,"sku":"274-140-180","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_633f95a2-3e54-40c8-ac6b-66e43eb34b63.jpg?v=1731375865"},{"product_id":"14x20x1-koch-disposable-fiberglass-panel-274-140-200-12-filters","title":"14x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639717498,"sku":"274-140-200","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_6742f3fa-56ed-4d33-a4a4-1b92f8a7851d.jpg?v=1731375872"},{"product_id":"14x24x1-koch-disposable-fiberglass-panel-274-140-240-12-filters","title":"14x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639750266,"sku":"274-140-240","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_32c3c9c8-7b2e-499b-b34f-1160fa7318f5.jpg?v=1731375879"},{"product_id":"14x25x1-koch-disposable-fiberglass-panel-274-140-250-12-filters","title":"14x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639783034,"sku":"274-140-250","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_3385ddb4-2d2a-40be-bb5f-2f800cae11ef.jpg?v=1731375886"},{"product_id":"14x30x1-koch-disposable-fiberglass-panel-274-140-300-12-filters","title":"14x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 14″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639815802,"sku":"274-140-300","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_72691a2f-f9aa-4b76-9043-38e428d81f37.jpg?v=1731375893"},{"product_id":"15x20x1-koch-disposable-fiberglass-panel-274-150-200-12-filters","title":"15x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 15″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639848570,"sku":"274-150-200","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_05935a53-48ef-4efb-aaa9-b680fe15c612.jpg?v=1731375900"},{"product_id":"15x25x1-koch-disposable-fiberglass-panel-274-150-250-12-filters","title":"15x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 15″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639881338,"sku":"274-150-250","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_fb1e6f88-eb23-4b04-8ea9-bd95703c72c4.jpg?v=1731375908"},{"product_id":"15x30x1-koch-disposable-fiberglass-panel-274-150-300-12-filters","title":"15x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 15″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639914106,"sku":"274-150-300","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_f91b211e-3a53-4bc2-93e8-0227abc196ee.jpg?v=1731375915"},{"product_id":"15x30-5-8x1-koch-disposable-fiberglass-panel-274-150-306-12-filters","title":"15x30-5\/8x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 15″ × 30⅝″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639946874,"sku":"274-150-306","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_977a4a05-8853-4e3c-93d1-f3188bc5c3f5.jpg?v=1731375923"},{"product_id":"16x16x1-koch-disposable-fiberglass-panel-274-160-160-12-filters","title":"16x16x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 16″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896639979642,"sku":"274-160-160","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_2f81cd8e-72af-48b4-9242-abb5daff9bba.jpg?v=1731375930"},{"product_id":"16x18x1-koch-disposable-fiberglass-panel-274-160-180-12-filters","title":"16x18x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 18″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640012410,"sku":"274-160-180","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_86213651-746d-4a09-91cb-2e07c5233452.jpg?v=1731375937"},{"product_id":"16x20x1-koch-disposable-fiberglass-panel-274-160-200-12-filters","title":"16x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640045178,"sku":"274-160-200","price":68.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_227a7c9b-fbfd-461f-b066-484c2647e99d.jpg?v=1731375946"},{"product_id":"16x22-1-4x1-koch-disposable-fiberglass-panel-274-160-222-12-filters","title":"16x22-1\/4x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 22¼″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640110714,"sku":"274-160-222","price":96.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_3834dcff-7b2a-4213-b43d-0a16dd3acc9a.jpg?v=1731375952"},{"product_id":"16x24x1-koch-disposable-fiberglass-panel-274-160-240-12-filters","title":"16x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640143482,"sku":"274-160-240","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_55f6942e-0877-4bb1-a5c5-dc3b5ee92f5f.jpg?v=1731375959"},{"product_id":"16x25x1-koch-disposable-fiberglass-panel-274-160-250-12-filters","title":"16x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640176250,"sku":"274-160-250","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_7d4d648a-18f5-484e-8ab9-5c417af047a3.jpg?v=1731375966"},{"product_id":"16x30x1-koch-disposable-fiberglass-panel-274-160-300-12-filters","title":"16x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 16″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640209018,"sku":"274-160-300","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_34d1a137-1b1a-445d-b9fb-bcecedd8485d.jpg?v=1731375972"},{"product_id":"18x18x1-koch-disposable-fiberglass-panel-274-180-180-12-filters","title":"18x18x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 18″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640241786,"sku":"274-180-180","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_7c03f8db-a7b0-4223-93e5-cbd3a4a1908d.jpg?v=1731375978"},{"product_id":"18x20x1-koch-disposable-fiberglass-panel-274-180-200-12-filters","title":"18x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640274554,"sku":"274-180-200","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_5bd7264f-161d-4ea9-b5d1-ed576488ebf1.jpg?v=1731375985"},{"product_id":"18x24x1-koch-disposable-fiberglass-panel-274-180-240-12-filters","title":"18x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640307322,"sku":"274-180-240","price":61.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_84e17096-81ad-478f-9472-3922d2b6cea6.jpg?v=1731375991"},{"product_id":"18x25x1-koch-disposable-fiberglass-panel-274-180-250-12-filters","title":"18x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640340090,"sku":"274-180-250","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_c9f03545-8f5c-4dd3-aafe-69e20955fe39.jpg?v=1731375999"},{"product_id":"18x30x1-koch-disposable-fiberglass-panel-274-180-300-12-filters","title":"18x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640372858,"sku":"274-180-300","price":102.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_310cde61-52f3-4473-8fa0-bda566e0e393.jpg?v=1731376007"},{"product_id":"18x36x1-koch-disposable-fiberglass-panel-274-180-360-12-filters","title":"18x36x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 18″ × 36″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640405626,"sku":"274-180-360","price":126.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_ba02079b-6fe8-4fe9-9a8f-b9c6db486161.jpg?v=1731376014"},{"product_id":"19x27x1-koch-disposable-fiberglass-panel-274-190-270-12-filters","title":"19x27x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 19″ × 27″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640438394,"sku":"274-190-270","price":98.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e02d8fc7-5afd-4931-9f36-339607f9cbbc.jpg?v=1731376020"},{"product_id":"20x20x1-koch-disposable-fiberglass-panel-274-200-200-12-filters","title":"20x20x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 20″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640471162,"sku":"274-200-200","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e02d570a-80cb-41c0-861c-6c545ab3c836.jpg?v=1731376027"},{"product_id":"20x22-1-4x1-koch-disposable-fiberglass-panel-274-200-222-12-filters","title":"20x22-1\/4x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 22¼″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640503930,"sku":"274-200-222","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e1635404-12ed-44d0-a8cf-5edee052d5e5.jpg?v=1731376033"},{"product_id":"20x24x1-koch-disposable-fiberglass-panel-274-200-240-12-filters","title":"20x24x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 24″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640536698,"sku":"274-200-240","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_7d9cac1b-ac28-4fa9-8c7d-19619883dd84.jpg?v=1731376039"},{"product_id":"20x25x1-koch-disposable-fiberglass-panel-274-200-250-12-filters","title":"20x25x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 25″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640569466,"sku":"274-200-250","price":72.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_ad0fecc0-2aed-4aa1-990e-280c0686f8f1.jpg?v=1731376046"},{"product_id":"20x30x1-koch-disposable-fiberglass-panel-274-200-300-12-filters","title":"20x30x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 30″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640602234,"sku":"274-200-300","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e6338115-bacf-4893-8ccf-31262fc0cd88.jpg?v=1731376052"},{"product_id":"20x36x1-koch-disposable-fiberglass-panel-274-200-360-12-filters","title":"20x36x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 20″ × 36″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640635002,"sku":"274-200-360","price":269.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_77461a5e-41a9-483c-96ee-d37e7bbb237c.jpg?v=1759428857"},{"product_id":"21x21x1-koch-disposable-fiberglass-panel-274-210-210-12-filters","title":"21x21x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 21″ × 21″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640667770,"sku":"274-210-210","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_85cd5522-2032-48df-910b-0dadb34590b9.jpg?v=1759428857"},{"product_id":"22x22x1-koch-disposable-fiberglass-panel-274-220-220-12-filters","title":"22x22x1 Koch Disposable Fiberglass Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Fiberglass Panel\u003c\/strong\u003e in 22″ × 22″ × 1″ is a straightforward spun-fiberglass panel filter — the baseline category for HVAC equipment protection. It's built to catch lint, hair, and large debris while letting the system breathe.\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\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Continuous-filament spun fiberglass with resinous bonding agent for rigidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece heavy chipboard, moisture-resistant.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30 days under typical use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen fiberglass makes sense\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRental properties and budget-conscious residential applications\u003c\/li\u003e\n  \u003cli\u003eLegacy HVAC systems not rated for higher-MERV pressure drop\u003c\/li\u003e\n  \u003cli\u003eCommercial pre-filter duty ahead of a higher-MERV final filter\u003c\/li\u003e\n  \u003cli\u003eHigh-airflow applications where pressure drop is critical\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\/Disposable_Panel_Filters.pdf?v=1729024430%E2%80%B3%20rel=\" noopener target=\"_blank\"\u003eDownload Koch Fiberglass Panel 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":"Koch","offers":[{"title":"Default Title","offer_id":43896640700538,"sku":"274-220-220","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_7b194e59-3514-4666-bd54-0504527016bc.jpg?v=1731376073"}],"url":"https:\/\/www.rememberthefilter.com\/collections\/koch-fiberglass-panels.oembed?page=5","provider":"RememberTheFilter.com","version":"1.0","type":"link"}