• No minimums, no surprises — we ship every order for free! We'll get your filters out the door fast so you can enjoy clean air and water without paying extra.

  • Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

    Learn More

  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

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  • No minimums, no surprises — we ship every order for free! We'll get your filters out the door fast so you can enjoy clean air and water without paying extra.

  • Shop with confidence! If you're not completely satisfied with your purchase, you have up to one year to return it for a refund or exchange. We stand behind every filter we sell.

    Learn More

  • Every order is carefully packed and shipped by our team in Indiana. Your purchase helps support American jobs and hardworking families right here in the Midwest. Our AIRx Furnace / AC Filters and ClearChoice Fridge Filters are made in the USA.

Cart 0

We don't know what's in your water,
but we know there's nothing in your cart.

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20x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.
Showing 1 -  8 of 8 Products
20x25x5 AIRx DUST Honeywell FC100A1037 Replacement Filter - MERV 8, 2-Pack
$42.48 / Filter
$53.10 Save 20%!
20x25x5 AIRx ALLERGY Honeywell FC100A1037 Replacement Air Filter - MERV 11, 2-Pack
$44.98 / Filter
$56.22 Save 20%!
20x25x5 AIRx HEALTH Honeywell FC100A1037 Replacement Air Filter - MERV 13, 2 pack
$59.98 / Filter
$74.97 Save 20%!
20x25x5 AIRx ODOR Honewell FC100A1037 Replacement Air Filter - Carbon, 2-Pack
$47.00 / Filter
$58.75 Save 20%!
20x25x4 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
$29.16 / Filter
$36.45 Save 20%!
20x25x4 AIRx HEALTH Air Filter - MERV 13, 6-Pack
$39.50 / Filter
$49.37 Save 20%!
20x25x4 AIRx ODOR Air Filter - Carbon, 6-Pack
$34.99 / Filter
$43.74 Save 20%!
Lennox Model X6675 MERV 16 Replacement Filter - 20 x 25 x 5
$199.95 / Filter
$249.94 Save 20%!
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What Our Customers Have to Say

Jeanclaude V. 1 day ago
5
No complaints.no camera.
Matt O. 2 days ago
5
Great filters at a fabulous price compared to the big box stores.
Robert 2 days ago
5
Accurate fit and great product.
Margo C. 3 days ago
5
Installed it but haven’t run the AC yet.