Discount Water Filters and Air Filters at Discount Filter

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  • Your filters are guaranteed to be the right fit!
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Water Filters by Harmsco

A simple, convenient way to have clean drinking water with a push of a button.

From commercial grade water filters to residential water filters Harmsco® has all your water filter replacement needs, conveniently in one place. At you’ll find over a dozen of Harmsco’s best selling water filter products at prices guaranteed to beat the big box stores. If they don’t, we’ll match the lower price, so no matter what kind of water filter or filtration product you’re looking for, whether it’s an Under Sink Water Filter or a Whole House Water Filter you can be confident you’re getting the absolute best deal.

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  • 801-20 Harmsco Replacement Filter Cartridge

    801-20 Harmsco Replacement Filter Cartridge

    MSRP: $11.49
    Save 30%
  • WB-HB-20-20W Harmsco Pleated Commercial Water Filter Cartridge
  • HB-20-20W Harmsco Calypso Blue Replacement Filter Cartridge

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