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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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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.

24 Item(s)

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  • Hydronix SPC-45-1005 Whole House Sediment Filter Cartridge
  • ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1
  • W5CIP American Plumber Undersink Filter Replacement Cartridge (2-Pack)
  • W5P American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • W5W American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • WPD-110 American Plumber Whole House Sediment Filter Cartridge (2-Pack)
  • CB-25-1005 Hydronix Replacement Filter Cartridge
  • SDC-25-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • AICRO-JGK Watts Inline Filter Cartridge
  • FPMB5-20 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-20 Watts Flo-Pro Water Filter Cartridge

    $5.99
    MSRP: $6.89
    Save 13%
  • FPMB5-978 Watts Flo-Pro Replacement Filter Cartridge

    FPMB5-978 Watts Flo-Pro Water Filter Cartridge

    $4.99
    MSRP: $5.16
    Save 3%
  • MAXETW-975 Watts C-MAX Replacement Filter Cartridge
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    WQCSC11 Watts Kwik-Change Sediment Filter Cartridge

    $11.99
    MSRP: $16.09
    Save 25%

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