• 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.

Menu

Aprilaire #501 Air Filters

Showing 1 -  2 of 2 Products
Aprilaire / Space-Gard #501 High Efficiency Filtering Media, 2-Pack
$74.98 / Filter
$93.72 Save 20%!
Aprilaire 4270 Pleat Spacers for 2400/5000 Air Cleaner
$23.33 / Pleat Spacer
$29.16 Save 20%!
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What Our Customers Have to Say

Linda M. 1 day ago
5
They work and fit just right.
Deborah 1 day ago
5
I have always ordered my filters from Discount Filters. They offer the best price and quick delivery. Always satisfied and highly recommend.
Margo C. 3 days ago
5
Installed it but haven’t run the AC yet.
Susan R. 3 days ago
5
Best filters ever!!