Free Shipping

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.
1 Year Purchase Guarantee

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
Shipped with Care from Indiana, USA

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.

Free Shipping

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.
1 Year Purchase Guarantee

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
Shipped with Care from Indiana, USA

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.

20x24x4 Filters

Showing 1 - 3 of 3 Products

$23.14 / Filter

$28.92 Save 20%!

Ships Free!

$28.77 / Filter

$35.97 Save 20%!

Ships Free!

$20.69 / Filter

$25.86 Save 20%!

Ships Free!

What Our Customers Have to Say

Tommy D. 1 day ago

Recently new furnace all I want to use a mirror filter looks like so far this filter is working great

Jeff D. 2 days ago

I’ve used several boxes of these and they do a great job balancing air flow with filtering ability.

Jacqueline B. 2 days ago

I like my filters from Discount Filters. Very pleased! Only place I get my Merv 11.

Dale 2 days ago

Fits perfectly and works very well.