![Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75) - Amazon.com Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75) - Amazon.com](https://m.media-amazon.com/images/I/81A9q9zkWmL.jpg)
Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75) - Amazon.com
![HDX 20 in. x 25 in. x 6 in. AprilAire/Space-Guard Replacement Pleated Air Filter (With Frame) FPR 7, MERV 11 - Yahoo Shopping HDX 20 in. x 25 in. x 6 in. AprilAire/Space-Guard Replacement Pleated Air Filter (With Frame) FPR 7, MERV 11 - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/c3bFz5fWs.c6FJJdjIK.Vw--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://images.thdstatic.com/productImages/2cf16842-c8e5-42f5-b55b-c8daaef25fe4/svn/hdx-air-filters-hdx-a201box11-2-64_1000.jpg)
HDX 20 in. x 25 in. x 6 in. AprilAire/Space-Guard Replacement Pleated Air Filter (With Frame) FPR 7, MERV 11 - Yahoo Shopping
![HDX 20 in. x 25 in. x 4 in. Contractor Pleated Air Filter FPR 7, MERV 8 HDX- 4-2025-8-3 - The Home Depot HDX 20 in. x 25 in. x 4 in. Contractor Pleated Air Filter FPR 7, MERV 8 HDX- 4-2025-8-3 - The Home Depot](https://images.thdstatic.com/productImages/6b9c1f87-23a2-4897-a0f4-9c45196ee833/svn/hdx-air-filters-hdx-4-2025-8-3-64_1000.jpg)
HDX 20 in. x 25 in. x 4 in. Contractor Pleated Air Filter FPR 7, MERV 8 HDX- 4-2025-8-3 - The Home Depot
![Honeywell Home 20 x 25 x 4 Pleated Furnace Air Filter FPR 8, MERV 8 (2-Pack) CF408F2025/E - The Home Depot Honeywell Home 20 x 25 x 4 Pleated Furnace Air Filter FPR 8, MERV 8 (2-Pack) CF408F2025/E - The Home Depot](https://images.thdstatic.com/productImages/f09dcfaa-846e-4b81-8321-af4dd933f86a/svn/honeywell-home-air-filters-cf408f2025-e-c3_600.jpg)
Honeywell Home 20 x 25 x 4 Pleated Furnace Air Filter FPR 8, MERV 8 (2-Pack) CF408F2025/E - The Home Depot
![BestAir 20 In. x 25 In. x 4 In. Aprilaire & SpaceGard MERV 13 Deep Pleat Expandable Furnace Filter - Anderson Lumber BestAir 20 In. x 25 In. x 4 In. Aprilaire & SpaceGard MERV 13 Deep Pleat Expandable Furnace Filter - Anderson Lumber](https://2477-cdn.dib-moce-cdn.info/Data/ItemImage-429809-tjj8kk87wkm89wsh7xmrthpr.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=MDC2&Timestamp=7xRM6G&Width=1440)
BestAir 20 In. x 25 In. x 4 In. Aprilaire & SpaceGard MERV 13 Deep Pleat Expandable Furnace Filter - Anderson Lumber
![BestAir 20-in W x 25-in L x 4-in MERV 11 Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com BestAir 20-in W x 25-in L x 4-in MERV 11 Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/8e0e4154-f9bf-4272-a98a-8dc6786a54f6/15854246.png)
BestAir 20-in W x 25-in L x 4-in MERV 11 Electrostatic Pleated Air Filter in the Air Filters department at Lowes.com
![Filtrete 20 In. x 25 In. x 4 In. 1000 MPR Allergen Defense Deep Pleat Furnace Filter, MERV 11 - Power Townsend Company Filtrete 20 In. x 25 In. x 4 In. 1000 MPR Allergen Defense Deep Pleat Furnace Filter, MERV 11 - Power Townsend Company](https://1470-cdn.dib-moce-cdn.info/Data/ItemImage-404736-q5w0ce-btg568-afycvr.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=5DRV&Timestamp=QV1NQG&Width=1440)
Filtrete 20 In. x 25 In. x 4 In. 1000 MPR Allergen Defense Deep Pleat Furnace Filter, MERV 11 - Power Townsend Company
![Filtrete 16 In. x 25 In. x 4 In. 1550 MPR (Slim Fit) Allergen, Bacteria & Virus Deep Pleat Furnace Filter, MERV 12 - Power Townsend Company Filtrete 16 In. x 25 In. x 4 In. 1550 MPR (Slim Fit) Allergen, Bacteria & Virus Deep Pleat Furnace Filter, MERV 12 - Power Townsend Company](https://1470-cdn.dib-moce-cdn.info/Data/ItemImage-404687-q5w0bc-6pbggg-cfloac.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=8PsJ&Timestamp=DPP0NG&Width=1440)
Filtrete 16 In. x 25 In. x 4 In. 1550 MPR (Slim Fit) Allergen, Bacteria & Virus Deep Pleat Furnace Filter, MERV 12 - Power Townsend Company
![PRO-SOURCE - Pleated Air Filter: 20 x 25 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 40102956 - MSC Industrial Supply PRO-SOURCE - Pleated Air Filter: 20 x 25 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 40102956 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/4010295AC-24.jpg)
PRO-SOURCE - Pleated Air Filter: 20 x 25 x 4″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 40102956 - MSC Industrial Supply
![Filtrete 20-in W x 25-in L x 4-in MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter (2-Pack) in the Air Filters department at Lowes.com Filtrete 20-in W x 25-in L x 4-in MERV 11 1000 MPR Allergen Defense Electrostatic Pleated Air Filter (2-Pack) in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/ac6e9660-5e8e-407f-a5ae-449a93eb2505/01089583.jpg?size=pdhism)