{"title":"Koch Disposable Polyester Panel Filters | C\u0026I Equipment Protection","description":"\u003cp\u003eKoch disposable polyester panel filters — synthetic-media panel filtration positioned between fiberglass (MERV 1-4) and pleated (MERV 8+) for applications where polyester construction handles humidity and media migration better than fiberglass. Used in commercial and industrial AHU prefiltration, light-duty residential equipment in humid climates, and process-air applications where fiberglass media would shed. Extended service life over equivalent fiberglass panels. Cut to standard nominal sizes; custom sizes available through our \u003ca href=\"\/pages\/koch-custom-filter-builder\"\u003ecustom Koch filter builder\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"blc-industries-blc35","title":"Koch Disposable Polyester Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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":"Default","offer_id":33445618380,"sku":"BLC35","price":474.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2.aspx-5_4db8075f-2a66-4c85-b044-f52bde43bb76.png?v=1760546185"},{"product_id":"blc-industries-blc47","title":"Koch Disposable Polyester Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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":"Default","offer_id":33445621324,"sku":"BLC47","price":602.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2.aspx-5_dd983ad3-40c4-4786-abfe-e32eb3dd2abc.png?v=1760546852"},{"product_id":"blc-industries-blc59","title":"Koch Disposable Polyester Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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":"Default","offer_id":33445621964,"sku":"BLC59","price":564.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2.aspx-5.png?v=1760545292"},{"product_id":"blc-industries-blc71","title":"Koch Disposable Polyester Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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":"Default","offer_id":33445622284,"sku":"BLC71","price":616.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/getimage2.aspx-5_927a0760-3463-4487-8014-4196c238c023.png?v=1760547107"},{"product_id":"koch-disposable-polyester-panel-12-filters","title":"Koch Disposable Polyester Panel Filter","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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":43884677955706,"sku":"284-080-160","price":94.99,"currency_code":"USD","in_stock":true},{"title":"8x30x1","offer_id":43884677988474,"sku":"284-080-300","price":87.99,"currency_code":"USD","in_stock":true},{"title":"10x10x1","offer_id":43884678021242,"sku":"284-100-100","price":74.99,"currency_code":"USD","in_stock":true},{"title":"10x20x1","offer_id":43884678054010,"sku":"284-100-200","price":71.99,"currency_code":"USD","in_stock":true},{"title":"10x24x1","offer_id":43884678086778,"sku":"284-100-240","price":73.99,"currency_code":"USD","in_stock":true},{"title":"10x25x1","offer_id":43884678119546,"sku":"284-100-250","price":74.99,"currency_code":"USD","in_stock":true},{"title":"10x30x1","offer_id":43884678152314,"sku":"284-100-300","price":81.99,"currency_code":"USD","in_stock":true},{"title":"12x12x1","offer_id":43884678185082,"sku":"284-120-120","price":69.99,"currency_code":"USD","in_stock":true},{"title":"12x16x1","offer_id":43884678217850,"sku":"284-120-160","price":85.99,"currency_code":"USD","in_stock":true},{"title":"12x18x1","offer_id":43884678250618,"sku":"284-120-180","price":73.99,"currency_code":"USD","in_stock":true},{"title":"12x20x1","offer_id":43884678283386,"sku":"284-120-200","price":69.99,"currency_code":"USD","in_stock":true},{"title":"12x24x1","offer_id":43884678316154,"sku":"284-120-240","price":69.99,"currency_code":"USD","in_stock":true},{"title":"12x25x1","offer_id":43884678348922,"sku":"284-120-250","price":73.99,"currency_code":"USD","in_stock":true},{"title":"12x30x1","offer_id":43884678381690,"sku":"284-120-300","price":82.99,"currency_code":"USD","in_stock":true},{"title":"12x30-5\/8x1","offer_id":43884678414458,"sku":"284-120-306","price":106.99,"currency_code":"USD","in_stock":true},{"title":"12x36x1","offer_id":43884678447226,"sku":"284-120-360","price":103.99,"currency_code":"USD","in_stock":true},{"title":"14x14x1","offer_id":43884678479994,"sku":"284-140-140","price":69.99,"currency_code":"USD","in_stock":true},{"title":"14x18x1","offer_id":43884678512762,"sku":"284-140-180","price":69.99,"currency_code":"USD","in_stock":true},{"title":"14x20x1","offer_id":43884678545530,"sku":"284-140-200","price":69.99,"currency_code":"USD","in_stock":true},{"title":"14x24x1","offer_id":43884678578298,"sku":"284-140-240","price":69.99,"currency_code":"USD","in_stock":true},{"title":"14x25x1","offer_id":43884678611066,"sku":"284-140-250","price":71.99,"currency_code":"USD","in_stock":true},{"title":"14x30x1","offer_id":43884678643834,"sku":"284-140-300","price":107.99,"currency_code":"USD","in_stock":true},{"title":"15x20x1","offer_id":43884678676602,"sku":"284-150-200","price":71.99,"currency_code":"USD","in_stock":true},{"title":"15x25x1","offer_id":43884678709370,"sku":"284-150-250","price":74.99,"currency_code":"USD","in_stock":true},{"title":"15x30x1","offer_id":43884678742138,"sku":"284-150-300","price":103.99,"currency_code":"USD","in_stock":true},{"title":"15x30-5\/8x1","offer_id":43884678774906,"sku":"284-150-306","price":108.99,"currency_code":"USD","in_stock":true},{"title":"16x16x1","offer_id":43884678807674,"sku":"284-160-160","price":69.99,"currency_code":"USD","in_stock":true},{"title":"16x18x1","offer_id":43884678840442,"sku":"284-160-180","price":75.99,"currency_code":"USD","in_stock":true},{"title":"16x20x1","offer_id":43884678873210,"sku":"284-160-200","price":70.99,"currency_code":"USD","in_stock":true},{"title":"16x22-1\/4x1","offer_id":43884678905978,"sku":"284-160-222","price":106.99,"currency_code":"USD","in_stock":true},{"title":"16x24x1","offer_id":43884678938746,"sku":"284-160-240","price":71.99,"currency_code":"USD","in_stock":true},{"title":"16x25x1","offer_id":43884678971514,"sku":"284-160-250","price":71.99,"currency_code":"USD","in_stock":true},{"title":"16x30x1","offer_id":43884679004282,"sku":"284-160-300","price":97.99,"currency_code":"USD","in_stock":true},{"title":"18x18x1","offer_id":43884679037050,"sku":"284-180-180","price":69.99,"currency_code":"USD","in_stock":true},{"title":"18x20x1","offer_id":43884679069818,"sku":"284-180-200","price":71.99,"currency_code":"USD","in_stock":true},{"title":"18x24x1","offer_id":43884679102586,"sku":"284-180-240","price":71.99,"currency_code":"USD","in_stock":true},{"title":"18x25x1","offer_id":43884679135354,"sku":"284-180-250","price":73.99,"currency_code":"USD","in_stock":true},{"title":"18x30x1","offer_id":43884679168122,"sku":"284-180-300","price":95.99,"currency_code":"USD","in_stock":true},{"title":"18x36x1","offer_id":43884679200890,"sku":"284-180-360","price":108.99,"currency_code":"USD","in_stock":true},{"title":"19x27x1","offer_id":43884679233658,"sku":"284-190-270","price":108.99,"currency_code":"USD","in_stock":true},{"title":"20x20x1","offer_id":43884679266426,"sku":"284-200-200","price":70.99,"currency_code":"USD","in_stock":true},{"title":"20x22-1\/4x1","offer_id":43884679299194,"sku":"284-200-222","price":84.99,"currency_code":"USD","in_stock":true},{"title":"20x24x1","offer_id":43884679331962,"sku":"284-200-240","price":81.99,"currency_code":"USD","in_stock":true},{"title":"20x25x1","offer_id":43884679364730,"sku":"284-200-250","price":82.99,"currency_code":"USD","in_stock":true},{"title":"20x30x1","offer_id":43884679397498,"sku":"284-200-300","price":95.99,"currency_code":"USD","in_stock":true},{"title":"20x36x1","offer_id":43884679430266,"sku":"284-200-360","price":146.99,"currency_code":"USD","in_stock":true},{"title":"21x21x1","offer_id":43884679463034,"sku":"284-210-210","price":97.99,"currency_code":"USD","in_stock":true},{"title":"22x22x1","offer_id":43884679495802,"sku":"284-220-220","price":105.99,"currency_code":"USD","in_stock":true},{"title":"24x24x1","offer_id":43884679528570,"sku":"284-240-240","price":96.99,"currency_code":"USD","in_stock":true},{"title":"24x30x1","offer_id":43884679561338,"sku":"284-240-300","price":97.99,"currency_code":"USD","in_stock":true},{"title":"24x36x1","offer_id":43884679594106,"sku":"284-240-360","price":116.99,"currency_code":"USD","in_stock":true},{"title":"25x25x1","offer_id":43884679626874,"sku":"284-250-250","price":106.99,"currency_code":"USD","in_stock":true},{"title":"10x10x2","offer_id":43884679659642,"sku":"286-100-100","price":279.99,"currency_code":"USD","in_stock":true},{"title":"10x20x2","offer_id":43884679692410,"sku":"286-100-200","price":279.99,"currency_code":"USD","in_stock":true},{"title":"12x24x2","offer_id":43884679725178,"sku":"286-120-240","price":279.99,"currency_code":"USD","in_stock":true},{"title":"14x20x2","offer_id":43884679757946,"sku":"286-140-200","price":279.99,"currency_code":"USD","in_stock":true},{"title":"14x25x2","offer_id":43884679790714,"sku":"286-140-250","price":284.99,"currency_code":"USD","in_stock":true},{"title":"15x20x2","offer_id":43884679823482,"sku":"286-150-200","price":284.99,"currency_code":"USD","in_stock":true},{"title":"16x20x2","offer_id":43884679856250,"sku":"286-160-200","price":284.99,"currency_code":"USD","in_stock":true},{"title":"16x24x2","offer_id":43884679889018,"sku":"286-160-240","price":284.99,"currency_code":"USD","in_stock":true},{"title":"16x25x2","offer_id":43884679921786,"sku":"286-160-250","price":284.99,"currency_code":"USD","in_stock":true},{"title":"18x24x2","offer_id":43884679954554,"sku":"286-180-240","price":288.99,"currency_code":"USD","in_stock":true},{"title":"18x25x2","offer_id":43884679987322,"sku":"286-180-250","price":288.99,"currency_code":"USD","in_stock":true},{"title":"20x20x2","offer_id":43884680020090,"sku":"286-200-200","price":296.99,"currency_code":"USD","in_stock":true},{"title":"20x24x2","offer_id":43884680052858,"sku":"286-200-240","price":296.99,"currency_code":"USD","in_stock":true},{"title":"20x25x2","offer_id":43884680085626,"sku":"286-200-250","price":304.99,"currency_code":"USD","in_stock":true},{"title":"24x24x2","offer_id":43884680118394,"sku":"286-240-240","price":304.99,"currency_code":"USD","in_stock":true},{"title":"25x25x2","offer_id":43884680151162,"sku":"286-250-250","price":309.99,"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-polyester-panel-284-080-160-12-filters","title":"8x16x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 8″ × 16″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641388666,"sku":"284-080-160","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_144d60b9-6dce-471f-8a9a-2fb49153ae4f.jpg?v=1731376212"},{"product_id":"8x30x1-koch-disposable-polyester-panel-284-080-300-12-filters","title":"8x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 8″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641421434,"sku":"284-080-300","price":87.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_35408663-9bfe-4d19-897b-592b58275ab5.jpg?v=1731376219"},{"product_id":"10x10x1-koch-disposable-polyester-panel-284-100-100-12-filters","title":"10x10x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 10″ × 10″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641454202,"sku":"284-100-100","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_8a83de43-1b82-4574-b1cf-fc3c283baf99.jpg?v=1731376226"},{"product_id":"10x20x1-koch-disposable-polyester-panel-284-100-200-12-filters","title":"10x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 10″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641486970,"sku":"284-100-200","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_da29c6f7-63cb-4d62-87af-88d24b165e8d.jpg?v=1731376233"},{"product_id":"10x24x1-koch-disposable-polyester-panel-284-100-240-12-filters","title":"10x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 10″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641519738,"sku":"284-100-240","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_7ac3c2fb-45ad-46e7-89ea-2b21a2aec33f.jpg?v=1731376241"},{"product_id":"10x25x1-koch-disposable-polyester-panel-284-100-250-12-filters","title":"10x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 10″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641552506,"sku":"284-100-250","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_5ca72691-c85f-450d-a8cd-17879eb44d74.jpg?v=1731376247"},{"product_id":"10x30x1-koch-disposable-polyester-panel-284-100-300-12-filters","title":"10x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 10″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641585274,"sku":"284-100-300","price":81.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_dca13530-1338-46c1-84a1-4d97144badbf.jpg?v=1759428863"},{"product_id":"12x12x1-koch-disposable-polyester-panel-284-120-120-12-filters","title":"12x12x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 12″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641618042,"sku":"284-120-120","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_36663967-550b-4bb7-be47-36d465500c98.jpg?v=1731376261"},{"product_id":"12x16x1-koch-disposable-polyester-panel-284-120-160-12-filters","title":"12x16x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 16″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641650810,"sku":"284-120-160","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_25ce5352-68bd-4245-9a98-88ef656885a4.jpg?v=1759428864"},{"product_id":"12x18x1-koch-disposable-polyester-panel-284-120-180-12-filters","title":"12x18x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 18″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641683578,"sku":"284-120-180","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_996d5143-9dfb-40d4-9419-1ff3cb360c5f.jpg?v=1759428864"},{"product_id":"12x20x1-koch-disposable-polyester-panel-284-120-200-12-filters","title":"12x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641716346,"sku":"284-120-200","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_6a4bb073-6a98-4ea8-8c49-3d6ee93b7722.jpg?v=1759428865"},{"product_id":"12x24x1-koch-disposable-polyester-panel-284-120-240-12-filters","title":"12x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641749114,"sku":"284-120-240","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_67d9d887-8ff2-427f-8ca9-36ff139a5ecc.jpg?v=1759428866"},{"product_id":"12x25x1-koch-disposable-polyester-panel-284-120-250-12-filters","title":"12x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641781882,"sku":"284-120-250","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_21c737b6-6cd0-409b-8b4e-1c4c4d53502f.jpg?v=1731376297"},{"product_id":"12x30x1-koch-disposable-polyester-panel-284-120-300-12-filters","title":"12x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641814650,"sku":"284-120-300","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_67a9c1f4-23a0-4e02-ba59-8d65dd582ed2.jpg?v=1759428866"},{"product_id":"12x30-5-8x1-koch-disposable-polyester-panel-284-120-306-12-filters","title":"12x30-5\/8x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 30⅝″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641847418,"sku":"284-120-306","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_a8aec49c-e5e2-428b-b1fd-89093f666441.jpg?v=1731376310"},{"product_id":"12x36x1-koch-disposable-polyester-panel-284-120-360-12-filters","title":"12x36x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 12″ × 36″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641880186,"sku":"284-120-360","price":103.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_51dc0b1a-18a6-4fc7-9347-d4403895d09d.jpg?v=1759428867"},{"product_id":"14x14x1-koch-disposable-polyester-panel-284-140-140-12-filters","title":"14x14x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 14″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641912954,"sku":"284-140-140","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_85fc4a92-6a31-4bf1-af32-a90c9b4d1711.jpg?v=1731376323"},{"product_id":"14x18x1-koch-disposable-polyester-panel-284-140-180-12-filters","title":"14x18x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 18″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641945722,"sku":"284-140-180","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_fc120f38-9bc6-4e8d-bc5d-36eafe6ae201.jpg?v=1731376329"},{"product_id":"14x20x1-koch-disposable-polyester-panel-284-140-200-12-filters","title":"14x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896641978490,"sku":"284-140-200","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_04657e8e-cf28-4806-b50b-2a5c7fce3092.jpg?v=1731376335"},{"product_id":"14x24x1-koch-disposable-polyester-panel-284-140-240-12-filters","title":"14x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642011258,"sku":"284-140-240","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_4f0e21bd-4e16-463f-b97b-30e9caf872b0.jpg?v=1759428867"},{"product_id":"14x25x1-koch-disposable-polyester-panel-284-140-250-12-filters","title":"14x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642044026,"sku":"284-140-250","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_1462fc2f-7066-4954-ad1b-207fc66743a3.jpg?v=1731376348"},{"product_id":"14x30x1-koch-disposable-polyester-panel-284-140-300-12-filters","title":"14x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 14″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642076794,"sku":"284-140-300","price":107.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_ac9b9def-2c9e-471f-bd36-48c466f6653f.jpg?v=1731376354"},{"product_id":"15x20x1-koch-disposable-polyester-panel-284-150-200-12-filters","title":"15x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 15″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642109562,"sku":"284-150-200","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_eb9d8716-eaae-4c97-a915-45e02c4fc84d.jpg?v=1731376360"},{"product_id":"15x25x1-koch-disposable-polyester-panel-284-150-250-12-filters","title":"15x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 15″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642142330,"sku":"284-150-250","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_21fb0793-f30f-46c2-8c26-f260756a4c41.jpg?v=1731376366"},{"product_id":"15x30x1-koch-disposable-polyester-panel-284-150-300-12-filters","title":"15x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 15″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642175098,"sku":"284-150-300","price":103.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_527ded0f-91f5-4c0d-add8-4b2090071594.jpg?v=1759428869"},{"product_id":"15x30-5-8x1-koch-disposable-polyester-panel-284-150-306-12-filters","title":"15x30-5\/8x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 15″ × 30⅝″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642207866,"sku":"284-150-306","price":108.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_6a7db8d9-7ee2-404b-8f2c-8445e9f42a14.jpg?v=1731376378"},{"product_id":"16x16x1-koch-disposable-polyester-panel-284-160-160-12-filters","title":"16x16x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 16″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642240634,"sku":"284-160-160","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e63882b9-481a-4f32-b738-95abf5c43bf5.jpg?v=1731376384"},{"product_id":"16x18x1-koch-disposable-polyester-panel-284-160-180-12-filters","title":"16x18x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 18″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642273402,"sku":"284-160-180","price":75.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_63585cdf-5ea8-46b8-8dca-996b3e0f4aef.jpg?v=1759428869"},{"product_id":"16x20x1-koch-disposable-polyester-panel-284-160-200-12-filters","title":"16x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642306170,"sku":"284-160-200","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_f1ba3928-fb12-4fae-93dc-a5b1e316e567.jpg?v=1731376397"},{"product_id":"16x22-1-4x1-koch-disposable-polyester-panel-284-160-222-12-filters","title":"16x22-1\/4x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 22¼″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642338938,"sku":"284-160-222","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_d4571f21-64c3-438e-af9d-a416c50d4b80.jpg?v=1759428870"},{"product_id":"16x24x1-koch-disposable-polyester-panel-284-160-240-12-filters","title":"16x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642371706,"sku":"284-160-240","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_398d3ccc-4b73-4478-9062-4825be41c52b.jpg?v=1731376411"},{"product_id":"16x25x1-koch-disposable-polyester-panel-284-160-250-12-filters","title":"16x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642404474,"sku":"284-160-250","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_e0289fb2-f8c4-436f-8e06-884007036f34.jpg?v=1731376418"},{"product_id":"16x30x1-koch-disposable-polyester-panel-284-160-300-12-filters","title":"16x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 16″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642470010,"sku":"284-160-300","price":97.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_3a72a34c-9cdd-46c0-9ff8-b235f78f7725.jpg?v=1731376425"},{"product_id":"18x18x1-koch-disposable-polyester-panel-284-180-180-12-filters","title":"18x18x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 18″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642502778,"sku":"284-180-180","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_8af98d11-3bc8-45cf-9062-04eb6ab665ba.jpg?v=1759428870"},{"product_id":"18x20x1-koch-disposable-polyester-panel-284-180-200-12-filters","title":"18x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642535546,"sku":"284-180-200","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_419c2b27-72a9-41a4-bf21-82442d475e52.jpg?v=1731376438"},{"product_id":"18x24x1-koch-disposable-polyester-panel-284-180-240-12-filters","title":"18x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642568314,"sku":"284-180-240","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_3439a20f-4393-4d1f-a562-007a2ed0d9f7.jpg?v=1731376444"},{"product_id":"18x25x1-koch-disposable-polyester-panel-284-180-250-12-filters","title":"18x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642601082,"sku":"284-180-250","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_265295bd-cf37-4fe1-879e-03ccde92499c.jpg?v=1731376451"},{"product_id":"18x30x1-koch-disposable-polyester-panel-284-180-300-12-filters","title":"18x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642633850,"sku":"284-180-300","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_67239837-deef-47ee-944f-cae228ac1768.jpg?v=1731376458"},{"product_id":"18x36x1-koch-disposable-polyester-panel-284-180-360-12-filters","title":"18x36x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 18″ × 36″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642666618,"sku":"284-180-360","price":108.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_13964e07-e28e-41af-993a-202db30c8d7b.jpg?v=1731376465"},{"product_id":"19x27x1-koch-disposable-polyester-panel-284-190-270-12-filters","title":"19x27x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 19″ × 27″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642699386,"sku":"284-190-270","price":108.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_d86d79de-c48b-4b9d-b164-4460f5bcb3b0.jpg?v=1731376471"},{"product_id":"20x20x1-koch-disposable-polyester-panel-284-200-200-12-filters","title":"20x20x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 20″ × 20″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642732154,"sku":"284-200-200","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_b83540b7-b5ed-4044-aa7a-f73caa83e667.jpg?v=1731376478"},{"product_id":"20x22-1-4x1-koch-disposable-polyester-panel-284-200-222-12-filters","title":"20x22-1\/4x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 20″ × 22¼″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642764922,"sku":"284-200-222","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_761c6e85-bca0-4c5f-a4b3-39c0a21f5466.jpg?v=1759428872"},{"product_id":"20x24x1-koch-disposable-polyester-panel-284-200-240-12-filters","title":"20x24x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 20″ × 24″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642797690,"sku":"284-200-240","price":81.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_c58177bb-651c-4b21-8bf4-d4085a55272c.jpg?v=1731376491"},{"product_id":"20x25x1-koch-disposable-polyester-panel-284-200-250-12-filters","title":"20x25x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 20″ × 25″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642830458,"sku":"284-200-250","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_dcbd4ca0-6414-4d80-9bdf-f3512bc61b48.jpg?v=1731376498"},{"product_id":"20x30x1-koch-disposable-polyester-panel-284-200-300-12-filters","title":"20x30x1 Koch Disposable Polyester Panel Filter (12 Filters)","description":"\u003cp\u003eThe \u003cstrong\u003eKoch Disposable Polyester Panel\u003c\/strong\u003e filter in 20″ × 30″ × 1″ is a budget-friendly panel filter built for equipment protection and high airflow. Polyester media is tougher and more durable than spun fiberglass — it holds its shape better in high-airflow installations and doesn't shed fibers into the airstream.\u003c\/p\u003e\n\u003ch3\u003eEquipment protection first, filtration second\u003c\/h3\u003e\n\u003cp\u003eLike other MERV 1–4 panel filters, Koch disposable polyester is designed to protect the coil and blower from lint, hair, and large debris — not to filter fine dust or allergens. For allergen-level filtration, step up to a pleated MERV 8 or higher.\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 Polyester synthetic panel media with tackified downstream surface for improved particulate retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrame:\u003c\/strong\u003e One-piece moisture-resistant beverage-board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService life:\u003c\/strong\u003e 30–60 days under typical use.\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 Polyester 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":43896642863226,"sku":"284-200-300","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1130\/9462\/files\/koch_disposable_panel_filter_cb7864d1-c4ab-4329-81a4-2c3c2f42e616.jpg?v=1759428872"}],"url":"https:\/\/www.rememberthefilter.com\/collections\/koch-disposable-polyester.oembed?page=3","provider":"RememberTheFilter.com","version":"1.0","type":"link"}