![PrecisionAire - Panel Air Filter: 20 x 24 x 1″, MERV 4, 20% Efficiency - 37939246 - MSC Industrial Supply PrecisionAire - Panel Air Filter: 20 x 24 x 1″, MERV 4, 20% Efficiency - 37939246 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/9845868-21.jpg)
PrecisionAire - Panel Air Filter: 20 x 24 x 1″, MERV 4, 20% Efficiency - 37939246 - MSC Industrial Supply
![PRO-SOURCE - Pleated Air Filter: 20 x 24 x 1″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 03301306 - MSC Industrial Supply PRO-SOURCE - Pleated Air Filter: 20 x 24 x 1″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 03301306 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/0330130AC-24.jpg)
PRO-SOURCE - Pleated Air Filter: 20 x 24 x 1″, MERV 8, 35% Efficiency, Wire-Backed Pleated - 03301306 - MSC Industrial Supply
![AAF Flanders EZ Flow II (1 Filter), 20" x 24" x 1" Merv 4 Economy FiberGlass MERV 1 Air Filter - Walmart.com AAF Flanders EZ Flow II (1 Filter), 20" x 24" x 1" Merv 4 Economy FiberGlass MERV 1 Air Filter - Walmart.com](https://i5.walmartimages.com/seo/AAF-Flanders-EZ-Flow-II-1-Filter-20-x-24-x-1-Merv-4-Economy-FiberGlass-MERV-1-Air-Filter_59a369a1-0562-44b3-b503-e5cccbb3e711.a71a08f257ec6fa188ea50096a015d55.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
AAF Flanders EZ Flow II (1 Filter), 20" x 24" x 1" Merv 4 Economy FiberGlass MERV 1 Air Filter - Walmart.com
![Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/32c0d920-6383-4bbc-b010-d9c2e267188f/65752966.jpg?size=pdhism)
Filtrete 20-in W x 20-in L x 1-in MERV 1 Basic Flat Air Filter (2-Pack) in the Air Filters department at Lowes.com
![HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot](https://images.thdstatic.com/productImages/6ac63d96-580d-40fc-bc03-bad3dcdb57de/svn/hdx-air-filters-hdx3p5-012024-64_600.jpg)
HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot
![Amazon.com: Filterbuy 20x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches) : Tools & Home Improvement Amazon.com: Filterbuy 20x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches) : Tools & Home Improvement](https://m.media-amazon.com/images/I/81J5EMpe9OL.jpg)
Amazon.com: Filterbuy 20x24x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches) : Tools & Home Improvement
![HDX 20 in. x 24 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11 (2-Pack) HDX2P7-012024 - The Home Depot HDX 20 in. x 24 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11 (2-Pack) HDX2P7-012024 - The Home Depot](https://images.thdstatic.com/productImages/57d35729-232d-47e4-935b-14ccb1a4b0dd/svn/hdx-air-filters-hdx2p7-012024-64_600.jpg)
HDX 20 in. x 24 in. x 1 in. Allergen Plus Pleated Air Filter FPR 7, MERV 11 (2-Pack) HDX2P7-012024 - The Home Depot
![HDX 20 in. x 24 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-012024 - The Home Depot HDX 20 in. x 24 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-012024 - The Home Depot](https://images.thdstatic.com/productImages/f2cea0cf-ce22-4780-98d7-15f9af00d1e6/svn/hdx-air-filters-hdx1p9-012024-64_600.jpg)
HDX 20 in. x 24 in. x 1 in. Superior Pleated Air Filter FPR 9, MERV 12 HDX1P9-012024 - The Home Depot
![HDX 20 in. x 24 in. x 1 in. Elite Allergen Pleated Air Filter FPR 12, MERV 13 61201.012024 - The Home Depot HDX 20 in. x 24 in. x 1 in. Elite Allergen Pleated Air Filter FPR 12, MERV 13 61201.012024 - The Home Depot](https://images.thdstatic.com/productImages/4ef0e836-a139-4c01-bdf3-8f6561b12446/svn/hdx-air-filters-61201-012024-64_600.jpg)
HDX 20 in. x 24 in. x 1 in. Elite Allergen Pleated Air Filter FPR 12, MERV 13 61201.012024 - The Home Depot
![HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot](https://images.thdstatic.com/productImages/36d73f20-f878-4774-851f-463ed5eb8eeb/svn/hdx-air-filters-hdx3p5-012024-e1_600.jpg)
HDX 20 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-012024 - The Home Depot
![K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com](https://mobileimages.lowes.com/productimages/c5db9686-7736-4570-a7d5-b9481c9c143d/44120189.jpg?size=pdhism)
K&N 20-in W x 24-in L x 1-in Washable MERV 11 Pleated Air Filter in the Air Filters department at Lowes.com
![3M FPL05-2PK-24 Filtrete Basic Flat Panel MPR100 Merv-2 Air Filter 14 By 20 By 1 Inch: 14 by 20 Inch Filters (051141952116-1) 3M FPL05-2PK-24 Filtrete Basic Flat Panel MPR100 Merv-2 Air Filter 14 By 20 By 1 Inch: 14 by 20 Inch Filters (051141952116-1)](https://images.cdn.hardwareandtools.net/original/051141952116.webp?v=M3lnUENoaFNQbzdIbnIzQ0FwZzNpUVpKV1R5ZmpxRTNhUzh6bnVUb3Fscz0~)
3M FPL05-2PK-24 Filtrete Basic Flat Panel MPR100 Merv-2 Air Filter 14 By 20 By 1 Inch: 14 by 20 Inch Filters (051141952116-1)
![Filterbuy 20x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com Filterbuy 20x24x1 Air Filter MERV 11 Allergen Defense (4-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.38 x 23.38 x 0.75 Inches) - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/81y32S9UhbL.jpg)