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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.

31 Item(s)

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  • DUPONT-WFQTC90001
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • DuPont WFROM1000X Quick Twist Reverse Osmosis Membrane
  • DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  • DuPont WFPT200X Mirage Filtered Water Pitcher
  • DuPont WFPTC050X Water Pitcher Replacement Cartridge
  • Brondell H2O+ Circle Reverse Osmosis Water Filtration System
  • Brondell RF-20 H2O+ Circle Replacement Filter Set
  • Brondell RF-40 H2O+ Circle Replacement Membrane Filter
  • PR-1U Culligan Universal Water Pitcher Replacement Cartridge
  • PR-3 Culligan Water Pitcher Replacement Cartridge (3-Pack)
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05
    MSRP: $157.54
    Save 35%
  • THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99
    MSRP: $106.94
    Save 19%
  • WQCFU-T-KIT Watts Triple Drinking Water Filtration System w/Kwik-Change Filter Cartridges
  • Brita Ultramax Water Filter Pitcher
  • Brita Bella Water Filter Pitcher (#35455)
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $125.99
    MSRP: $147.19
    Save 14%
  • WFFM350XCH DuPont Deluxe Faucet Mount Drinking Water Filter - Chrome
  • Dupont WFSS1050CH Shower Water Filter System (Chrome)
  • Dupont WFSSC0501 Shower Water Filter Replacement Cartridge
  • DuPont WFPT075X Vista Filtered Water Pitcher

31 Item(s)

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