• 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.

  • 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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  • 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.

  • 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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24x30x4 Filters



What Our Customers Have to Say

Betty E. 1 day ago
5
They are wonderful
LAWRENCE B. 3 days ago
5
My wife and I have allergies. We tried the lower MERV number filters but they did not filter out enough of the finer particles. DF suggested we try the MERV 11 HIGH FLOW filters and we noticed right away that they made a difference. Our AC company agreed with DF and we have been using them ever since. I highly recomend them if you have allergies.
Shirley M. 4 days ago
5
They have worked real well for me.
Michael M. 4 days ago
5
I really like the filters