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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!

Learn more about our No Worries Guarantee

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.

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  • HBSF-Grn Hydros Side-Fill Water Purifier Bottle - Green Lid
  • HBSF-Orng Hydros Side-Fill Water Purifier Bottle - Orange Lid

    Orange Lid Hydros Side-Fill Water Purifier Bottle

    $27.99
    MSRP: $34.49
    Save 19%
  • HBSF-Pnk Hydros Side-Fill Water Purifier Bottle - Pink Lid
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • DuPont WFPTC053X Water Pitcher Replacement Cartridge 3 Pack
  • DuPont WFPTC100X Water Pitcher Replacement Cartridge High Protection
  • PIT-1 Culligan Level 2 Water Pitcher

    PIT-1 Culligan Level 2 Water Pitcher

    $14.05
    MSRP: $22.64
    Save 38%
  • PR-1 Culligan Pitcher Replacement Cartridge
  • PR-1U Culligan Universal Water Pitcher Replacement Cartridge
  • PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)
  • PR-3U Culligan Universal Water Pitcher Replacement Cartridge (3-Pack)
  • 8013450 Katadyn Carbon Cartridge Bottle Adaptor

    8013450 Katadyn Carbon Cartridge Bottle Adaptor

    $19.95
    MSRP: $22.99
    Save 13%
  • Dupont WFFM100XW Premier Faucet Mount Drinking Water Filter
  • Dupont WFFM100XCH Faucet Mount Filter System (chrome)
  • DuPont WFPT075X Vista Filtered Water Pitcher
  • HBSF-Blu Hydros Side-Fill Water Purifier Bottle - Blue Lid
  • HBSF-Char Hydros Side-Fill Water Purifier Bottle - Charcoal Lid
  • Katadyn 8018342 MyBottle Microfilter Red Splash

    Katadyn 8018342 MyBottle Microfilter Red Splash

    $40.99
    MSRP: $59.79
    Save 31%

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