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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!
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  • 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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  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • K2386-JJ Omnipure Inline Phosphate Water Filter

    K2386-JJ Omnipure Inline Phosphate Water Filter

    $9.05
    MSRP: $17.24
    Save 48%
  • K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    K2586-JJ GAC Omnipure Phosphate Inline Water Filter

    $16.99
    MSRP: $21.84
    Save 22%
  • CL10ROT33-A Omnipure GAC Inline Water Filter

    CL10ROT33-A Omnipure GAC Inline Water Filter

    $10.99
    MSRP: $14.94
    Save 26%
  • Dupont WFFM100XW Premier Faucet Mount Drinking Water Filter
  • Dupont WFFM300XW Low Profile Faucet Mount Drinking Water Filter System
  • Dupont WFFM350XW Deluxe Faucet Mount Drinking Water Filter System
  • Dupont WFSSC0501 Shower Water Filter Replacement Cartridge
  • DuPont WFPT075X Vista Filtered Water Pitcher

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