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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.

18 Item(s)

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  • D-250A Culligan Undersink Filter Replacement Cartridge Set
  • CFS8812X Cuno Whole House Filter Replacement Cartridge
  • CFS8812X-S Cuno Whole House Filter Replacement Cartridge
  • BH-2 Everpure Replacement Filter Cartridge

    BH-2 Everpure Replacement Filter Cartridge

    $53.99
    MSRP: $70.14
    Save 23%
  • EV9275-70 Everpure QL2-OW200L Filter System

    EV9275-70 Everpure QL2-OW200L Filter System

    $70.05
    MSRP: $124.19
    Save 44%
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $81.00
    MSRP: $95.45
    Save 15%
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge
  • WATER-FACTORY-SYSTEMS-47-55712G2

    WATER-FACTORY-SYSTEMS-47-55712G2

    $28.05
    MSRP: $51.28
    Save 45%
  • WATER-FACTORY-SYSTEMS-47-5574704

    WATER-FACTORY-SYSTEMS-47-5574704

    $63.99
    MSRP: $105.99
    Save 40%
  • WATTS-AICRO

    WATTS-AICRO

    $7.99
    MSRP: $9.19
    Save 13%
  • WHIRLPOOL-WHKF-GAC

    WHIRLPOOL-WHKF-GAC

    $10.99
  • IOMQ Ice-O-Matic Replacement Ice Maker Pre-Filter Cartridge
  • MATRIKX-Pb1-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • CBR2-10 Pentek Undersink Filter Replacement Cartridge
  • CBR2-10R Pentek Undersink Filter Replacement Cartridge

    CBR2-10R Pentek Undersink Filter Replacement Cartridge

    $18.99
    MSRP: $21.95
    Save 13%

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