Collection: Air Filters | HVAC, Furnace & AC Filter Finder
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Enter your current filter size or model number:
Try: 20x20x1, X6672, or measure your filter
You can find the part number or size on the side of your current filter.
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Most Popular Air Filter Sizes
Choose the Right MERV Rating
MERV 11
Enhanced Protection
- Everything MERV 8 catches
- Mold spores, smoke
- Best for allergies
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Find the perfect air filter for your home with our easy-to-use filter finder tool. Whether you need Carrier filters, Lennox filters, Goodman filters, Trane filters, Honeywell filters, or Aprilaire filters, we have the exact size and MERV rating you need. Our filters are made in the USA and ship within 24 hours.
Not sure about your filter size? Use our filter finder by entering your current filter dimensions or model number. We carry all standard sizes including 20x20x1, 16x25x1, 20x25x1, 16x20x1, and whole house filters in 4-inch and 5-inch depths. Each filter lists both nominal and actual dimensions to ensure a perfect fit.
Choose from MERV 8, MERV 11, or MERV 13 ratings depending on your air quality needs. MERV 8 filters provide standard protection, MERV 11 offers enhanced allergy protection, and MERV 13 delivers hospital-grade filtration. All our furnace filters, AC filters, and HVAC filters come with a 30-day satisfaction guarantee.
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EXPXXUNV0020 20x25x5 MERV 10 EZ Flex Air Filter with End Caps
Vendor:Carrier1 reviewRegular price $ 69.49 USDRegular price$ 85.99 USDSale price $ 69.49 USDSale -
FC100A1003 16x20x5 MERV 11 Furnace Filter Honeywell
Vendor:HoneywellNo reviewsRegular price $ 46.95 USDRegular price$ 69.95 USDSale price $ 46.95 USDSold out -
FC200E1003 16x20x5 MERV 13 Furnace Filter Honeywell
Vendor:HoneywellNo reviewsRegular price $ 69.95 USDRegular price$ 99.95 USDSale price $ 69.95 USDSold out -
FC200E1011 20x20x4 MERV 13 Furnace Filter by Honeywell
Vendor:Honeywell1 reviewRegular price $ 88.95 USDRegular price$ 109.95 USDSale price $ 88.95 USDSold out -
Filtrete 1500 Ultra Allergen Filter 16x20x1
Vendor:3M FiltreteNo reviewsRegular price $ 21.99 USDRegular price$ 24.99 USDSale price $ 21.99 USDSale -
Filtrete 1500 Ultra Allergen Filter 20x20x1
Vendor:3M FiltreteNo reviewsRegular price $ 29.99 USDRegular price$ 39.99 USDSale price $ 29.99 USDSold out -
FLRQB5AH23M11 Filter 22.7x20.7x4.7 - Pre-Assembled Trane Compatible MERV 11 (2-Pack)
Vendor:Atomic12 reviewsRegular price $ 76.99 USDRegular price$ 94.96 USDSale price $ 76.99 USDSale -
Genuine Carrier AGAPXCAR1625 Air Filter 16x25x3 MERV 13 - 180+ Reviews | OEM Replacement for PGAPAXX1625
Vendor:Carrier186 reviewsRegular price From $ 117.90 USDRegular price$ 159.95 USDSale price From $ 117.90 USDSale -
Genuine Carrier PGAPXCAR1625 Air Filter 16x25x3 MERV 13 - 180+ Reviews | OEM Replacement for PGAPAXX1625
Vendor:Carrier186 reviewsRegular price From $ 117.90 USDRegular price$ 159.95 USDSale price From $ 117.90 USDSale -
Genuine Electro-Air Part M1-1056 Size 16x25x5 (Actual Size: 15 3/8 x 25 1/2 x 5 1/4) MERV 11 Case of 3
Vendor:Electo-Air39 reviewsRegular price $ 139.99 USDRegular price$ 129.95 USDSale price $ 139.99 USDSold out -
Genuine Lennox X8313 MERV 16 Expandable Filter 20x25x5
Vendor:Lennox2 reviewsRegular price $ 169.95 USDRegular price$ 179.95 USDSale price $ 169.95 USDSale -
Genuine OEM Whirlpool 1183054K HEPA Whispure Air Purifier Models AP450 and AP510 Bundled with Whirlpool 8171434K Carbon Pre-Filter 4-Pack
Vendor:Whirlpool1 reviewRegular price $ 149.95 USDRegular price$ 169.95 USDSale price $ 149.95 USDSold out -
Goodman / Five Seasons M8-1056 20x25x5 MERV 11 Furnace Filter - 1 Pack
Vendor:Totaline1 reviewRegular price $ 69.99 USDRegular price$ 79.99 USDSale price $ 69.99 USDSold out -
Goodman / Five Seasons M8-1056 20x25x5 MERV 11 Furnace Filter - 2 Pack
Vendor:Totaline7 reviewsRegular price $ 129.99 USDRegular price$ 99.95 USDSale price $ 129.99 USDSold out -
Goodman / Five Seasons M8-1056 Totaline P102-2025 20x25x5 MERV 11 Furnace Filter - 3 Pack
Vendor:Totaline8 reviewsRegular price $ 149.99 USDRegular price$ 159.95 USDSale price $ 149.99 USDSold out -
GOODMAN M1-1056 16x25x5 MERV 11 Compatible by Atomic (Actual Size: 15 3/8 X 25 1/2 X 5 1/4) MERV 11 Furnace Filter (2 Pack)
Vendor:Atomic Filters35 reviewsRegular price $ 64.95 USDRegular price$ 89.95 USDSale price $ 64.95 USDSale