Discount Water Filters and Air Filters at Discount Filter Store.com

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!
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  • You’re guaranteed to find expert help!

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Water Filtration Systems & Filters

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.

19 Item(s)

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  • WFFMC103X DuPont Faucet Mount Replacement Cartridges - High Protection Filter (3-pack)
  • 42617 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - Chrome
  • 35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    35503 Brita OB03 Pitcher Replacement Cartridge (3-Pack)

    $23.99
    MSRP: $29.89
    Save 20%
  • 42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    42432 Brita OB03 Pitcher Replacement Cartridge (4-Pack)

    $29.99
    MSRP: $37.94
    Save 21%
  • 42629 Brita Slim OB11 40-Ounce Water Pitcher

    42629 Brita Slim OB11 40-Ounce Water Pitcher

    $20.99
    MSRP: $26.44
    Save 21%
  • 42401 Brita On-Tap FR-200 Faucet Filter Replacement Cartridge - White
  • 40043 Camco TastePURE Inline Large Capacity Filter

    40043 Camco TastePURE Large Capacity Inline Water Filter

    $26.69
    MSRP: $35.99
    Save 26%
  • FM-15A Culligan Level 3 On-Tap Faucet Filter System

    Culligan FM-15A Level 3 Faucet Filter System

    $22.99
    MSRP: $28.51
    Save 19%
  • RC-EZ-3 Culligan Level 3 Easy-Change Inline Filter Replacement Cartridge
  •  RF-3375-2-PACK PUR 2-Stage Vertical Faucet Filter Replacement Cartridge - White (2-Pack)
  • WHCF-R-PLUS Whirlpool Inline UltraEase Plus Water Filter
  • HF-10 Brondell H2O+ Water Pitcher Filters (3-Pack)

    HF-10 Brondell H2O+ Water Pitcher Filters (3-Pack)

    $25.99
    MSRP: $29.89
    Save 13%
  • 35214 Brita On Tap Water Faucet Filtration System

    35214 Brita On Tap Water Faucet Filtration System

    $24.99
    MSRP: $36.79
    Save 32%
  • Brita Bella Water Filter Pitcher (#35455)
  • WI-BG-BOTTLE-FILTER-20 Body Glove Water Bottle Replacement Filter
  • WI-BG-PITCHER-FILTER Body Glove Replacement Water Pitcher Filter
  • Dupont WFFM100XCH Faucet Mount Filter System (chrome)

    Dupont WFFM100XCH Faucet Mount Filter System (Chrome)

    $21.39
    MSRP: $35.99
    Save 41%
  • Dupont WFFM300XW Low Profile Faucet Mount Drinking Water Filter System
  • 30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    30027 New Wave Enviro Barrier Replacement Filter 3-Pack

    $28.19
    MSRP: $35.99
    Save 22%

19 Item(s)

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