• 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

18x24x4 Filters

Showing 1 -  3 of 3 Products
18x24x4 AIRx DUST Air Filter - MERV 8
$16.66 / Filter
$20.82 Save 20%!
18x24x4 AIRx ALLERGY Air Filter - MERV 11
$19.67 / Filter
$24.58 Save 20%!
18x24x4 AIRx HEALTH Air Filter - MERV 13
$29.16 / Filter
$36.45 Save 20%!
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What Our Customers Have to Say

Christopher D. 1 day ago
5
I have always got great customer service from discount filters. After realizing I ordered the wrong size filters they told I didn’t have to return the wrong ones (which I gave to Goodwill) and sent me the correct size for no additional cost. They responded quickly and efficiently in solving my dilemma. I will buy from them again in the future!
Dixie C. 1 day ago
5
Never a problem good for budget works very well
Marianne S. 4 days ago
5
Have ordered these filters in the past & am happy with this specific product!
Rick P. 4 days ago
5
Great. Fit perfectly