• Spend $70 or more and your order ships free! We'll get your filters out the door fast so you can enjoy clean air and water.*

    * Orders under $70 ship for $5.99.

  • 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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but we know there's nothing in your cart.

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  • Spend $70 or more and your order ships free! We'll get your filters out the door fast so you can enjoy clean air and water.*

    * Orders under $70 ship for $5.99.

  • 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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16x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 16" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.
Showing 1 -  8 of 8 Products
16x25x5 AIRx DUST Honeywell FC100A1029 Replacement Air Filter - MERV 8, 2 pack
$34.98 / Filter
$43.72 Save 20%!
16x25x5 AIRx ALLERGY Honeywell FC100A1029 Replacement Air Filter - MERV 11, 2 pack
$42.48 / Filter
$53.10 Save 20%!
16x25x5 AIRx HEALTH Honeywell FC100A1029 Replacement Air Filter - MERV 13, 2-Pack
$47.48 / Filter
$59.35 Save 20%!
16x25x5 AIRx ODOR Honeywell FC100A1029 Replacement Air Filter - Carbon, 2-Pack
$41.50 / Filter
$51.87 Save 20%!
16x25x4 AIRx DUST Air Filter - MERV 8, 6-Pack
$23.33 / Filter
$29.16 Save 20%!
16x25x4 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
$24.99 / Filter
$31.24 Save 20%!
16x25x4 AIRx HEALTH Air Filter - MERV 13, 6-Pack
$33.33 / Filter
$41.66 Save 20%!
16x25x4 AIRx ODOR Air Filter - Carbon, 6-Pack
$32.99 / Filter
$41.24 Save 20%!
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What Our Customers Have to Say

Linda G. 1 day ago
5
I always buy my AC filters from Discount Filters. Best price foe quality products. Highly recommend! 5 STARS
Anna M. 1 day ago
5
Just what I needed and love the 12 pack
Rainer Z. 1 day ago
5
Slightly difficult to start installation but once u do it’s easy.
William B. 1 day ago
5
This was a terrific pick for my HVAC system and a great price