• 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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White Rodgers 16x21x5 (FR1000-100)



What Our Customers Have to Say

Maurice L. 1 day ago
5
It has been a good go to filter for my furnace. Plus your reply on an issue with damage filters was quick and resolved. Thank You
R. H. 2 days ago
5
The Allergy 20X25X5 Goodman filters MERV11 are excellent and fit just a they should for my HVAC system.
James G. 2 days ago
5
Excellent filter at a very reasonable price. Discount Filters is an outstanding company and a pleasure to deal with. TOP NOTCH customer service too!
Victoria C. 3 days ago
5
Great filters. Have been using them for years. Our HVAC maintenance man was impressed with the quality of these filters and told us we made an excellent choice. Has improved our indoor air quality, reduced dust and very easy to install.