• Free Shipping

    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.

  • 1 Year Purchase Guarantee

    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

  • Shipped with Care from Indiana, USA

    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. Also – most of our AIRx Air Filters and ClearChoice Water Filters are made in the USA.

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We don't know what's in your water,
but we know there's nothing in your cart.

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  • Free Shipping

    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.

  • 1 Year Purchase Guarantee

    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

  • Shipped with Care from Indiana, USA

    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. Also – most of our AIRx Air Filters and ClearChoice Water 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

Geothermal Air Filters

Have a WaterFurnace or Climate Master heating and cooling system?
Find a replacement Geothermal Air Filter by size.

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Select from the dropdown.

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Still need more sizes?
Build a custom-sized filter