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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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  • WFFMC300X DuPont Faucet Mount Replacement Cartridge - Ultra Protection Filter
  • WQCCC11 Watts Kwik-Change Pre-Carbon Water Filter Cartridge
  • E5520-K Omnipure Water Filter

    E5520-K Omnipure Water Filter

    MSRP: $49.99
    Save 64%
  • E5620 Omnipure E-Series Everpure Compatible Filter

    E5620 Omnipure E-Series Everpure Compatible Filter

    MSRP: $36.79
    Save 48%
  • 8011553 Katadyn Exstream Ultralight Series Personal Water Purifier Cyst Filter
  • Dupont WFFM100XCH Faucet Mount Filter System (chrome)

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