• 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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  • 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.

Menu

16x20x4 Commercial Filters

Actual Dimensions 15 1/2" x 19 1/2" x 3 3/4"
Showing 1 -  4 of 4 Products
16x20x4 AIRx DUST Air Filter - MERV 8, 6-Pack
$24.99 / Filter
$31.24 Save 20%!
16x20x4 AIRx ALLERGY Air Filter - MERV 11, 6-Pack
$27.83 / Filter
$34.79 Save 20%!
16x20x4 AIRx HEALTH Air Filter - MERV 13, 6-Pack
$37.33 / Filter
$46.67 Save 20%!
16x20x4 AIRx ODOR Air Filter - Carbon, 6-Pack
$33.33 / Filter
$41.66 Save 20%!
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What Our Customers Have to Say

M G. 1 day ago
5
great quality, fantastic price and fast shipping!
Thomas H. 1 day ago
5
Discount Filters is an AWESOME company! We have ordered from them for several years and NEVER an issue! We upgraded our HVAC filter to a carbon! GREAT DECISION! Yes, they are a bit pricey but the benefits are wonderful!!! Thank you so much for the great service and the great products!
Scott b. 2 days ago
5
Package delivered was damaged, replacement was not. Thanks
William G. 2 days ago
5
I pay for 6 from Discount Filters about what I pay for 2 at local big box store. These are great at trapping pounds of dog hair.