{"title":"20x25x4 Furnace Filters","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eShop \u003cstrong\u003e20x25x4 furnace filters\u003c\/strong\u003e designed to help capture airborne particles as air moves through your heating and cooling system. Whether you're replacing an existing filter or looking for a different filtration level, compare available options by brand, MERV rating, and actual dimensions to find the right fit for your HVAC system.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA 20x25x4 filter is a common nominal size used in residential furnaces, air conditioners, heat pumps, and whole-home air cleaner cabinets. Because actual dimensions can vary between manufacturers and filter models, always check the dimensions or model number of your current filter before ordering a replacement.\u003c\/p\u003e\n\u003ch3\u003eChoosing the Right 20x25x4 Air Filter\u003c\/h3\u003e\n\u003cp\u003eThe right \u003cstrong\u003e20x25x4 air filter\u003c\/strong\u003e depends on both your HVAC system and your indoor air quality needs. MERV ratings indicate how effectively a filter captures particles of different sizes. Higher-MERV filters generally capture smaller particles, but your HVAC system must be designed to accommodate the filter's airflow resistance.\u003c\/p\u003e\n\u003cp\u003eWhen comparing replacement filters, consider the \u003cstrong\u003eactual dimensions, MERV rating, brand or model compatibility, and recommended replacement schedule\u003c\/strong\u003e. If you're replacing an OEM filter, matching the existing model number can also help you find a compatible replacement.\u003c\/p\u003e\n\u003ch3\u003eHow Often Should You Replace a 20x25x4 Furnace Filter?\u003c\/h3\u003e\n\u003cp\u003eFour-inch furnace filters typically have a longer service life than standard 1-inch filters, but there isn't one replacement schedule that works for every home. System runtime, pets, dust levels, household occupancy, indoor air quality concerns, and the filter itself can all affect how quickly it becomes dirty.\u003c\/p\u003e\n\u003cp\u003eCheck your filter regularly and follow the manufacturer's replacement recommendations. A filter that becomes excessively loaded with debris can restrict airflow and affect HVAC system performance.\u003c\/p\u003e\n\u003ch3\u003eIs 20x25x4 the Same for Every Brand?\u003c\/h3\u003e\n\u003cp\u003eNo. \u003cstrong\u003e20x25x4 is a nominal filter size\u003c\/strong\u003e, and the actual dimensions can differ by manufacturer. Two filters labeled 20x25x4 may not have identical measurements or fit the same filter cabinet.\u003c\/p\u003e\n\u003cp\u003eBefore purchasing, compare the actual dimensions and model information listed on your existing filter with the product specifications on the replacement filter.\u003c\/p\u003e\n\u003ch3\u003eFind Your 20x25x4 Replacement Filter\u003c\/h3\u003e\n\u003cp\u003eBrowse our selection of \u003cstrong\u003e20x25x4 furnace and air filters\u003c\/strong\u003e above to compare available brands, filtration ratings, and replacement options. Selecting the correct size and filtration level helps support proper airflow while keeping your HVAC system's filtration working as intended.\u003c\/p\u003e","products":[{"product_id":"aprilaire-1213-upgrade-kit","title":"Aprilaire 1213 20x25x4 MERV 11","description":"\u003cul\u003e\n\u003cli\u003eHIGH-PERFORMANCE UPGRADE — improved performance for cleaner air from your Aprilaire or Space Gard Model 2200 air cleaner. \u003cem\u003eThe kit includes (1) 213 air filter and easy to install frame\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eELIMINATES 40% MORE DUST — The new 213 filter removes 40% more dust-size particles of 1 micron compared to the older model 201 air filter\u003c\/li\u003e\n\u003cli\u003eREMOVES up to 75% MORE VIRUSES — The new 213 filter removes up to 75% more virus-size particles of 0.3 to 1 micron compared to the older model 201 air filter\u003c\/li\u003e\n\u003cli\u003eEASY TO INSTALL — Slides directly into your purifier – eliminates the need for pleat spacers. No tools required\u003c\/li\u003e\n\u003cli\u003eLIFETIME IMPROVEMENT — This ONE-TIME INSTALLATION is good for the lifetime of the air purifier. It fits common 20” x 25” and 16” x 25” air purifiers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFast and Easy Upgrade for Improved Filter Performance. This kit (1213) includes: one new, high-performance 213 Genuine Aprilaire filter and the easy-install system frame: two rails, four uprights, and a door seal. It takes just 30 seconds to snap together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQUICK INSTALL GUIDE: \u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eRemove that clunky old filter from your furnace.\u003c\/li\u003e\n\u003cli\u003eSlide in the new frame.\u003c\/li\u003e\n\u003cli\u003eSlide the new 213 filter onto the rails.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e(No more pleat spacers!)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eAprilAire Air Filters compatible with the AprilAire 1213 Upgrade Kit:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAprilAire 210 MERV 11 Air Filter\u003c\/li\u003e\n\u003cli\u003eAprilAire 213 MERV 13 Air Filter\u003c\/li\u003e\n\u003cli\u003eAprilAire 213CBN MERV 13 Air Filter\u003c\/li\u003e\n\u003cli\u003eAprilAire 216 MERV 16 Air Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e* Contaminates removed based on air passing through the filtering system.\u003c\/p\u003e","brand":"AprilAire","offers":[{"title":"Default Title","offer_id":48496536846621,"sku":"APRILAIRE1213","price":93.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/1213.jpg?v=1716548725"},{"product_id":"aprilaire-213-replacement-filter-20-x-26-x-4","title":"Aprilaire 213 MERV 13 Air Filter 20\" x 25\" x 4\"","description":"\u003cp\u003eA small change can make a big difference in the health of your home environment. Aprilaire delivers that difference with the Aprilaire MERV 13 Healthy Home Filters.  It removes common airborne allergens including dust, pollen, mold spores, bacteria, pet dander, and dust mites as they pass through the MERV 13 filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Measurements:\u003c\/strong\u003e 20H x 25W x 4D (inches)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Measurements:\u003c\/strong\u003e 20.6H x 26.63W x 4D (inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e 1210, 1620, 2120, 2200, 2210, 2216, 3210, 4200, Space-Gard 2200 with Upgrade Kit 1213\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-weight: bold;\" data-mce-style=\"font-weight: bold;\"\u003e\n\u003cstrong\u003eMERV Rating: 13\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Replacement Schedule:\u003c\/strong\u003e 12 Months\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Synthetic Fiber\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContaminants Removed:\u003c\/strong\u003e Airborne Particles, Airborne Allergens, Dust, Pollen, Mold Spores, Bacteria, Pet Dander, Dust Mites\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn addition, your HVAC system is protected from airborne particles, which helps lower your energy costs and can prolong the life of your equipment.\u003c\/p\u003e\n\u003cp\u003eThis replacement filter is easy to install, with no assembly or reinforcements to worry about.  Our ‘Pure Fit Promise’ means this genuine Aprilaire filter will fit your Aprilaire air purifier exactly, and the patented Self-Seal Technology prevents contaminated impure air from bypassing the filter. Discover a healthier home environment with an Aprilaire MERV 13 Healthy Home Filter Replacement.\u003c\/p\u003e\n\u003cp\u003eNote: MERV is a scale used to measure the effectiveness of air filters.  Higher number values translate to more effective filtration. Choose the Aprilaire Filter with the MERV rating that fits the needs of your family and home. *Performance tested to ASHRAE 52.2\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBUY WITH CONFIDENCE\u003c\/strong\u003e This genuine replacement air filter was designed and manufactured in the U.S.A. by Aprilaire – the leader in indoor air quality solutions, to optimize the performance of your Aprilaire Air Purifier Model: 1210, 1620, 2210, 2216, 3210, 4200, Aprilaire or Space Gard 2200 with upgrade kit \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCREATE A HEALTHIER HOME\u003c\/strong\u003e by preventing airborne allergens from circulating through the air in your home by trapping common airborne allergens as they pass through the MERV 13 filter including dust, pollen, mold spores, bacteria, pet dander, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBETTER PERFORMANCE\u003c\/strong\u003e thanks to the patented Aprilaire Self-Seal Technology which minimizes the amount of air bypassing the filter \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEASY AS 1-2-3 TO INSTALL\u003c\/strong\u003e in the unique Aprilaire Interlock Rail System. Unpack. Slide in. Close the door. Done.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWORRY FREE\u003c\/strong\u003e We stand behind the performance of our air filters with our 10-year Clean-Coil Commitment\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AprilAire","offers":[{"title":"Single Pack","offer_id":48496617750813,"sku":"APRILAIRE213","price":74.14,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":48496617783581,"sku":"Aprilaire213-2","price":133.52,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":50977924284701,"sku":"APRILAIRE213-4","price":253.6,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":48496617816349,"sku":"Aprilaire213-8","price":488.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/Aprilaire_Expandable_Filter_Front_Side.jpg?v=1727978924"},{"product_id":"honeywell-fc100a1037-pleated-air-filter-20-x-25-x-4-merv-11","title":"Honeywell FC100A1037 - 20\" x 25\" x 4\" MERV 11 Pleated Air Filter","description":"\u003cp\u003eHoneywell FC100A1037 \u003cstrong\u003eMERV 11\u003c\/strong\u003e Pleated Filter - 20\" x 25\" x 4\". This is a brand new, genuine Honeywell air filter product. The factory original, OEM replacement Honeywell filter 20x25 works with Honeywell Whole House Electronic Air Cleaners models F200 and F100.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eNominal Filter Dimensions:\u003c\/b\u003e 20x25x4\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActual Filter Dimensions: \u003c\/strong\u003e19-15\/16\" x 24-7\/8\" x 4-3\/8\"\u003c\/p\u003e\n\u003cp\u003eReplace your Honeywell FC100A1037 filter every 6 to 12 months.\u003c\/p\u003e\n\u003cp\u003eThe MERV 11 filtration offered by the Honeywell FC100A1037 helps homeowners reduce airborne contaminant particles inside the home, including common allergens. This Honeywell filter 20x25 offers an efficient level of filtration for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDust\u003c\/li\u003e\n\u003cli\u003eDust mites\u003c\/li\u003e\n\u003cli\u003ePollen\u003c\/li\u003e\n\u003cli\u003ePet dander\u003c\/li\u003e\n\u003cli\u003eMold spores\u003c\/li\u003e\n\u003cli\u003eCarpet fibers\u003c\/li\u003e\n\u003cli\u003eHair spray\u003c\/li\u003e\n\u003cli\u003eLead dust\u003c\/li\u003e\n\u003cli\u003eFlour\u003c\/li\u003e\n\u003cli\u003eAutomotive fumes\u003c\/li\u003e\n\u003cli\u003eCooking dusts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBy considering purchasing the Honeywell FC100A1037, you’re already taking a step towards improving the air quality in your home. Well done! Here are some other strategies to consider, according to the U.S. Environmental Protection Agency (EPA):\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eSource control – eliminate sources of poor air quality, such as irritants, pollutants and dirt.\u003c\/li\u003e\n\u003cli\u003eVentilation improvements – open windows and try to incorporate more fresh, outdoor air into your home when possible.\u003c\/li\u003e\n\u003cli\u003eMaintain your air cleaner – make sure to replace your air cleaner’s filter every 6 to 12 months. \u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eSince 1885, Honeywell has been providing customers with cutting-edge technology in the home comfort industry. From the first thermostat to today's innovative Indoor Air Quality products, Honeywell continues to be a leader in the home comfort market.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiscountFurnaceFilter.com is the web's #1 source for the Honeywell FC100A1037 MERV 11 filter. Order your Honeywell FC100A1037 MERV 11 filter today and receive fast, efficient, FREE Shipping on Orders Over $50 (Contiguous U.S.)!\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cstrong\u003eFor questions or information regarding this Honeywell air filter product:\u003cbr\u003e\u003ca href=\"mailto:sales@DiscountFurnaceFilter.com?subject=Information%20on%20Honeywell%FC100A1037\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: blue;\"\u003eClick Here\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/a\u003e to contact our Sales Department, or call 888-623-4678.\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003ccenter\u003e\u003ciframe src=\"https:\/\/player.vimeo.com\/video\/114386758\" width=\"550\" height=\"339\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"\u003e\u003c\/iframe\u003e\u003c\/center\u003e","brand":"Honeywell","offers":[{"title":"Single Pack","offer_id":48503702618397,"sku":"HONEYWELLFC100A1037","price":39.05,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":48503702651165,"sku":"HONEYWELLFC100A1037-2","price":64.18,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":48503702683933,"sku":"HONEYWELLFC100A1037-5","price":148.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/fc100a1037-1_1.jpg?v=1716631187"},{"product_id":"honeywell-fc200e1037-pleated-air-filter-20-x-25-x-4-merv-13","title":"Honeywell FC200E1037 - 20\" x 25\" x 4\" MERV 13","description":"\u003cp\u003e\u003cb\u003eHoneywell FC200E1037 MERV 13 Pleated Air Filter - 20\" x 25\" x 4\". Brand new, genuine Honeywell air filter product.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA factory original, OEM replacement filter for the Whole House Electronic Air Cleaner F200, F100, F150, F35, F25, F27.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003eMERV 13\u003c\/strong\u003e filter is recommended to be \u003cstrong\u003ereplaced every 6 to 12 months\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Filter Dimensions:\u003c\/strong\u003e 20\" x 25\" x 4\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActual Filter Dimensions:\u003c\/strong\u003e 19.94\" x 24.88\" x 4.38\"\u003c\/p\u003e\n\u003cp\u003eWhen you choose Honeywell air filters, you’re choosing to come home to cleaner, crisper air. Since 1885, Honeywell has been providing customers with cutting-edge technology in the home comfort industry. From the first thermostat to today's innovative Indoor Air Quality products, Honeywell continues to be a leader in the home comfort market. Our clean air solutions include air quality products like air filters and air purifiers, humidifiers and dehumidifiers, and whole-home ventilation systems. It’s time to turn your home into the fresh, clean sanctuary you want it to be.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFor questions or information regarding this product:\u003c\/b\u003e\u003cbr\u003e\u003ca href=\"mailto:sales@DiscountFurnaceFilter.com?subject=Information%20on%20Honeywell%FC200E1037\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cb\u003e\u003cspan style=\"color: blue;\"\u003eClick Here\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/a\u003e to contact our Sales Department, or call 888-623-4678.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Single Pack","offer_id":48503801315613,"sku":"HONEYWELLFC200E1037","price":73.58,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":48503801348381,"sku":"HONEYWELLFC200E1037-2","price":133.3,"currency_code":"USD","in_stock":true},{"title":"5 Pack","offer_id":48503801381149,"sku":"HONEYWELLFC200E1037-5","price":321.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/fc200e1037-1_1.jpg?v=1716631486"},{"product_id":"aprilaire-810-20-x-25-x-4-clean-air-expandable-filter-for-filter-grille-2025fg-merv-11","title":"Aprilaire 810 - 20\" x 25\" x 4\" Clean Air Expandable Filter for Filter Grille 2025FG, MERV 11","description":"\u003ch3\u003eAprilaire 810 - 20\" x 25\" x 4\" Clean Air Expandable Filter for Filter Grille 2025FG, MERV 11\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Models:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2025FG, Competitive Models (Carrier, General, Honeywell, Lennox, Trion, Ultravation) using 4897 Upgrade Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e11\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterials:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eSynthetic Fiber\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Measurements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e20H x 25W x 4D (inches)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Measurements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e19.58H x 26.63W x 4.05D (inches)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AprilAire","offers":[{"title":"Default Title","offer_id":48504514740509,"sku":"APRILAIRE810","price":66.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/aprilaire810.jpg?v=1716661320"},{"product_id":"trion-272649-11-202-oem-2-air-filter-20x25x4-2-pack-merv-11-replacement-filter-for-honeywell-fc100a1037-fc200e1037-actual-size-19-83-x24-75-x4-375","title":"TRION 272649-11-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 11) Replacement Filter for Honeywell FC100A1037 \/ FC200E1037, Actual Size 19.83\" x 24.75\" x 4.375\"","description":"\u003ch3\u003e\u003cspan class=\"a-list-item\"\u003eTRION 272649-11-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 11) Replacement Filter for Honeywell FC100A1037 \/ FC200E1037, Actual Size 19.83”x 24.75” x 4.375”\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eMERV 11\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNominal Filter Size:\u003c\/span\u003e\u003c\/strong\u003e 20x25x4\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eActual Filter Size:\u003c\/strong\u003e\u003c\/span\u003e 19.75\" x 24.75\" x 4.375\"\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eSold as a 2 Pack - Single Filter Part # 272649-11-102\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eNot compatible with TRION Air Bear 20x25x5 filters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eOEM-2 filter frames are sized exactly to fit Honeywell F100 and F200 Media Air Cleaners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eHigher pleat counts (20 pleats for 20x25x4) provide greater contaminate holding capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eOEM-2 filters are electrostatically charged and are available in 3 different efficiency ratings including: MERV 8, MERV 11, and MERV 13\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eTRION OEM-2 filters provide cost savings for homeowners without sacrificing performance or quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eFilters tested in accordance with ASHRAE 52.2-2017\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eRust-resistant dual wire mesh provides strong support of the filter media, helps retain the pleat shape even when the filter gets dirty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty moisture-resistant beverage board based filter frames retain their strength and rigid shape even in high-humidity environments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trion","offers":[{"title":"Default Title","offer_id":48504515821853,"sku":"TRION272649-11-202","price":50.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/air_bear_oem2_20x25x4_2_pack_2_1.jpg?v=1716661493"},{"product_id":"trion-272649-13-202-oem-2-air-filter-20x25x4-2-pack-merv-13-replacement-filter-for-honeywell-fc100a1037-fc200e1037-actual-size-19-83-x-24-75-x-4-375","title":"TRION 272649-13-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 13) Replacement Filter for Honeywell FC100A1037 \/ FC200E1037, Actual Size 19.83\" x 24.75\" x 4.375\"","description":"\u003ch3\u003e\u003cspan class=\"a-list-item\"\u003eTRION 272649-13-202 OEM-2 Air Filter 20x25x4 (2-Pack, MERV 13) Replacement Filter for Honeywell FC100A1037 \/ FC200E1037, Actual Size 19.83” x 24.75” x 4.375”\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003eMERV 13\u003c\/strong\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNominal Filter Size:\u003c\/span\u003e\u003c\/strong\u003e 20x25x4\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eActual Filter Size:\u003c\/strong\u003e\u003c\/span\u003e 19.75\" x 24.75\" x 4.375\"\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eSold as a 2 Pack - Single Filter Part # 272649-13-102\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eNot compatible with TRION Air Bear 20x25x5 filters\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eOEM-2 filter frames are sized exactly to fit Honeywell F100 and F200 Media Air Cleaners\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eHigher pleat counts (20 pleats for 20x25x4) provide greater contaminate holding capacity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eOEM-2 filters are electrostatically charged and are available in 3 different efficiency ratings including: MERV 8, MERV 11, and MERV 13\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eTRION OEM-2 filters provide cost savings for homeowners without sacrificing performance or quality\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eFilters tested in accordance with ASHRAE 52.2-2017\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eRust-resistant dual wire mesh provides strong support of the filter media, helps retain the pleat shape even when the filter gets dirty\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eHeavy-Duty moisture-resistant beverage board based filter frames retain their strength and rigid shape even in high-humidity environments\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Trion","offers":[{"title":"Default Title","offer_id":48504515854621,"sku":"TRION272649-13-202","price":56.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/air_bear_oem2_20x25x4_2_pack_2_2.jpg?v=1716661511"},{"product_id":"koch-102-700-030-20-x-25-x-4-pleated-air-filter-merv-8","title":"Koch 102-700-030 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 8","description":"\u003ch3\u003eKoch 102-700-030 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 8\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eNominal Filter Dimensions: \u003c\/b\u003e20x25x4\u003c\/li\u003e\n\u003cli style=\"mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\n\u003cb\u003eActual Filter Dimensions: \u003c\/b\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/li\u003e\n\u003cli\u003eConsidered to be an upgrade from standard pleated filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMERV 8\u003c\/strong\u003e and MERV-A 8 performance ratings\u003c\/li\u003e\n\u003cli\u003eMechanical MERV 8 media is not reliant on electrostatic charge for efficiency\u003c\/li\u003e\n\u003cli\u003eLow resistance to airflow\u003c\/li\u003e\n\u003cli\u003eHigh dust holding capacity\u003c\/li\u003e\n\u003cli\u003eSturdy double-wall frame design\u003c\/li\u003e\n\u003cli\u003eMoisture resistant beverage board frame\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Koch","offers":[{"title":"Single Pack","offer_id":48745614835997,"sku":"KOCH102-700-030","price":25.06,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":49272050155805,"sku":"KOCH102-700-030-2","price":36.25,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":48745614868765,"sku":"KOCH102-700-030-4","price":60.34,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":48763546272029,"sku":"KOCH102-700-030-6","price":88.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/Koch4in-1.jpg?v=1732113549"},{"product_id":"koch-102-700-030-4-pack-20-x-25-x-4-pleated-air-filter-merv-8","title":"Koch 102-700-030 (4-Pack) - 20\" x 25\" x 4\" Pleated Air Filter, MERV 8","description":"\u003cp\u003e• Considered to be an upgrade from standard pleated filters.\u003c\/p\u003e\r\n\u003cp\u003e• MERV 8 and MERV-A 8 performance ratings.\u003c\/p\u003e\r\n\u003cp\u003e• Mechanical MERV 8 media is not reliant on electrostatic charge for efficiency.\u003c\/p\u003e\r\n\u003cp\u003e• Low resistance to airflow.\u003c\/p\u003e\r\n\u003cp\u003e• High dust holding capacity.\u003c\/p\u003e\r\n\u003cp\u003e• Sturdy double-wall frame design.\u003c\/p\u003e\r\n\u003cp\u003e• Moisture resistant beverage board frame.\u003c\/p\u003e","brand":"Koch","offers":[{"title":"Default Title","offer_id":48504518869277,"sku":"KOCH102-700-030-4","price":60.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/primary_imagejhlwtu8o4nvnsaol9ih5sehp6v41bmb3dukxg6bg.jpg?v=1716661599"},{"product_id":"generalaire-11-ga100a37-20-x-25-x-4-replacement-filter-for-honeywell-fc100a1037-merv-11","title":"GeneralAire 11-GA100A37 - 20\" x 25\" x 4\" Replacement Filter for Honeywell FC100A1037, MERV 11","description":"\u003cp\u003eGeneralAire 11-GA100A37 - 20\" x 25\" x 4\" Replacement Filter for Honeywell FC100A1037, \u003cstrong\u003eMERV 11\u003c\/strong\u003e, GFI #4368\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Filter Dimensions:\u003c\/strong\u003e 20x25x4\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eActual Filter Dimensions: \u003c\/strong\u003e19-7\/8\" x 24-7\/8\" x 4-3\/8\"\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eReplace the filter \u003c\/span\u003e\u003cstrong\u003eevery 6 months\u003c\/strong\u003e,\u003cspan\u003e depending on the environment may need to be replaced more often. \u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"prose prose-sm dark:prose-invert max-w-none text-gray-500 dark:text-gray-400 whitespace-pre-wrap\"\u003eReplacement filter for: Source 1 #S1-FM10202505HW and Honeywell FC100A1037\u003c\/div\u003e\n\u003c!----\u003e","brand":"GeneralAire","offers":[{"title":"Single Pack","offer_id":48841252995357,"sku":"GENERALAIRE11-GA100A37-1","price":50.24,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":48841253028125,"sku":"GENERALAIRE11-GA100A37-2","price":81.85,"currency_code":"USD","in_stock":true},{"title":"3 Pack","offer_id":48841253060893,"sku":"GENERALAIRE11-GA100A37-3","price":112.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/GENERALAIRE11-GA100A37-1.jpg?v=1760460057"},{"product_id":"glasfloss-m1120254-20-x-25-x-4-merv-11-z-line-pleated-air-filter","title":"Glasfloss M1120254 - 20\" x 25\" x 4\" MERV 11, Z-Line Pleated Air Filter","description":"\u003cp\u003eGlasfloss M1120254 - 20\" x 25\" x 4\" \u003cstrong\u003eMERV 11\u003c\/strong\u003e, Z-Line Pleated Air Filter\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Filter Dimensions: \u003c\/strong\u003e20x25x4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Filter Dimensions: \u003c\/strong\u003e19-1\/2\" x 24-1\/2\" x 3-3\/4\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Glasfloss Z-Line Series MR-11 air filters are extended-surface pleated-media filters. It is usually recommended to \u003cb\u003echange the filter every 3 months\u003c\/b\u003e. The filter media is composed of 100% synthetic fibers and is pleated in a tapered radial pattern. To maintain the integrity of the pleats, a heavy-duty, recycled expanded metal reinforcement is laminated to the air-exit side of the media using a thermo-setting adhesive. The expanded metal is galvanized to prevent rust and corrosion. The pleated cartridge is bonded to the inner perimeter of the outer frame. The encasing frame is made from a heavy-duty, moisture-resistant beverage board containing post-consumer material. The frame face is internally laminated to the pleated cartridge apexes. Glasfloss Z-Line Series MR-11 filters comply with U.L. Standard 900 and can withstand temperatures up to 180°F. These filters are rated with a MERV 11 according to the ANSI\/ASHRAE 52.2 Test Standard.\u003c\/p\u003e","brand":"Glasfloss","offers":[{"title":"Single Pack","offer_id":49267985449245,"sku":"GLASFLOSSM1120254","price":34.33,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":49267985482013,"sku":"GLASFLOSSM1120254-2","price":54.79,"currency_code":"USD","in_stock":true},{"title":"3 Pack","offer_id":49435644363037,"sku":"GLASFLOSSM1120254-3","price":75.85,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":49267985514781,"sku":"GLASFLOSSM1120254-6","price":144.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/Glasfloss.jpg?v=1729097693"},{"product_id":"carrier-bryant-filxumc082025-20-x-25-x-4-pleated-air-filter-merv-8","title":"Carrier \u0026 Bryant FILXUMC082025 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 8 replaces old part # FILXXCAR0020","description":"\u003cp\u003eCarrier \u0026amp; Bryant FILXUMC082025 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 8 replaces old part # FILXXCAR0020\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold;\"\u003e\n\u003cstrong\u003eMERV 8\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Filter Size\u003c\/strong\u003e\u003cstrong\u003e:\u003c\/strong\u003e 20x25x4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActual Filter Size\u003c\/strong\u003e\u003cstrong\u003e:\u003c\/strong\u003e 19-7\/8\" x 24-3\/4\" x 4-1\/8\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor optimum system performance, replace the filter \u003c\/span\u003e\u003cstrong\u003eevery 6 months\u003c\/strong\u003e\u003cspan\u003e. In high dust environments, more frequent filter changes may be required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis FILXUMC082025 - 20\" x 25\" x 4\" Pleated Air Filter has been made slightly thinner to fit more applications and replaces FILXXCAR0020 - 20\" x 25\" x 4\".\u003c\/p\u003e","brand":"Carrier \u0026 Bryant","offers":[{"title":"Single Pack","offer_id":49997981810973,"sku":"UTCFILXUMC082025","price":50.33,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":49997981843741,"sku":"UTCFILXUMC082025-2","price":86.8,"currency_code":"USD","in_stock":true},{"title":"3 Pack","offer_id":49997981876509,"sku":"UTCFILXUMC082025-3","price":120.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/UTCFILXUMC082025_1_pack.jpg?v=1747853910"},{"product_id":"carrier-bryant-filxumc112025-20-x-25-x-4-pleated-air-filter-merv-11-replaces-old-part-filxxcar0120","title":"Carrier \u0026 Bryant FILXUMC112025 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 11 replaces old part # FILXXCAR0120","description":"\u003cp\u003eCarrier \u0026amp; Bryant FILXUMC112025 - 20\" x 25\" x 4\" Pleated Air Filter, MERV 11 replaces old part # FILXXCAR0120\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eNominal Filter Size:\u003c\/strong\u003e 20x25x4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eActual Filter Size: \u003c\/strong\u003e19-7\/8\" x 24-3\/4\" x 4-1\/8\"\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor optimum system performance, replace the filter \u003cstrong\u003eevery 6 months\u003c\/strong\u003e. In high dust environments, more frequent filter changes may be required. This FILXUMC112025 - 20\" x 25\" x 4\" Pleated Air Filter has been made slightly thinner to fit more applications and \u003cstrong\u003ereplaces FILXXCAR0120 - 20\" x 25\" x 4\"\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Carrier \u0026 Bryant","offers":[{"title":"Single Pack","offer_id":50318248411421,"sku":"UTCFILXUMC112025","price":54.44,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":50318248444189,"sku":"UTCFILXUMC112025-2","price":95.02,"currency_code":"USD","in_stock":true},{"title":"3 Pack","offer_id":50318248476957,"sku":"UTCFILXUMC112025-3","price":133.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7965\/6733\/files\/UTCFILXUMC112025sideoffilter.jpg?v=1757692107"}],"url":"https:\/\/discountfurnacefilter.com\/collections\/20x25x4-furnace-filters.oembed","provider":"DiscountFurnaceFilter.com","version":"1.0","type":"link"}