Discount Water Filters and Air Filters at Discount Filter

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

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Water Filtration Systems, Filters, & Parts

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  •  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge
  • SPC-45-2050 Hydronix Pleated Sediment Water Filter
  • Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB Pentek Replacement Filter Cartridge

    $24.99 MSRP: $31.99
    Save 22%
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • 3M Aqua-Pure AP124-3 Water Filter
  • PR-3U Culligan Universal Water Pitcher Replacement Cartridge (3-Pack)
  • 3WH-STD-S01 Filtrete Whole House Sump System

    3WH-STD-S01 3M Filtrete Whole House Sump Filter System

    MSRP: $33.34
    Save 19%
  • W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SWC-45-2050 Hydronix String Wound Sediment Water Filter

    SWC-45-2050 Hydronix String-Wound Sediment Water Filter

    MSRP: $30.81
    Save 16%
  • 3M Aqua-Pure AP124-2C Water Filter

    AP124-2C 3M Aqua-Pure Water Filter

    MSRP: $38.99
    Save 31%

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