• 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.

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  • 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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24x30x4 Filters



What Our Customers Have to Say

DARLENE L. 1 day ago
5
Have use this company for many yeas never had a problem will recommend two friends and family
Linda S. 1 day ago
5
I like the price and the amount that the package comes in. It is better to have them on hand for when I have to change them.
Marvin K. 1 day ago
5
My AC tech said my AC coil is being kept clean by filter. Excellent fit with no defects.
Parking.com C. 1 day ago
5
This product was high quality, and I would highly recommend Discount Filters. They have great prices and are great to work with. I will be buying all of my filters in the future from Discount Filters.