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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.

Items 1 to 48 of 142 total

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  • 67300 Aquamira Home Emergency Drinking Water Kit
  • APHOSF-RC 3M Aqua-Pure High-Output Shower Filter Cartridge
  • 3M Aqua-Pure APIL3R Inline Water Filter
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge
  • FXHTC GE SmartWater Whole House Filter Replacement Cartridge
  • 3M Aqua-Pure AP110-3C Whole House Water Filter

    AP110-3C 3M Aqua-Pure Water Filter Cartridge

    $40.99
    MSRP: $49.44
    Save 17%
  • 9602 Moen Replacement Filter Cartridge for ChoiceFlo Faucet Systems
  • RS-502-MS Rainshowr Shower Filter System with Massage - White
  • HFPP-112-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • 3M Aqua-Pure APLPSF-PC Low Profile Shower Filter - Chrome
  • 42632 Brita Chrome SMART OB39 64-Ounce Water Pitcher
  • CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    $41.99
    MSRP: $50.59
    Save 17%
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $41.99
    MSRP: $45.99
    Save 9%
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $41.99
    MSRP: $48.29
    Save 13%
  • 3US-AS01 Filtrete Undersink Filter System

    3US-AS01 Filtrete Undersink Filter System

    $41.99
    MSRP: $50.59
    Save 17%
  • GXULQR GE Undersink Water Filter Replacement Cartridge
  • HFPP-34-PR-10 Pentek Big Blue Whole House 10 inch Filter Housing
  • PCC-1 Pentek Undersink Filter Replacement Cartridge

    PCC-1 Pentek Undersink Filter Replacement Cartridge

    $41.99
    MSRP: $53.23
    Save 21%
  • QMP602 QMP Countertop Water Filter System

    QMP602 QMP Countertop Filter System

    $41.99
    MSRP: $45.99
    Save 9%
  • 01007402 Culligan Reverse Osmosis Membrane
  • AE7-CM Sprite Shower Pure 7 Filtered Shower Head (Chrome)
  • GXSM01HWW GE Shower Filter System

    GXSM01HWW GE Shower Filter System

    $42.99
    MSRP: $45.34
    Save 5%
  • PCF1-20MB Pentek Whole House Filter Replacement Cartridge
  • HR5-WH Sprite Royale Handheld Shower Filter System - White
  • CBC-BB Pentek Whole House Filter Replacement Cartridge
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99
    MSRP: $52.89
    Save 19%
  • ACT-8-CM Sprite Cascading Traditional Shower 8-Setting Filtered Shower Head (Chrome)
  • SS-IMF Everpure Replacement Filter Cartridge

    SS-IMF Everpure Replacement Filter Cartridge

    $43.05
    MSRP: $66.69
    Save 35%
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85
    MSRP: $52.73
    Save 17%
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge
  • WROR American Plumber Reverse Osmosis Replacement Filter Kit
  • C-CS-FF 3M Aqua-Pure Undersink Water Filter

    C-CS-FF 3M Aqua-Pure Undersink Water Filter Cartridge

    $43.99
    MSRP: $48.06
    Save 8%
  • 42646 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge (2-Pack)
  • 71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    71048 Brita OB03 Pitcher Replacement Cartridge (6-Pack)

    $43.99
    MSRP: $52.89
    Save 17%
  • CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge
  • CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    $43.99
    MSRP: $52.89
    Save 17%
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter Housing
  • RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack) - 1
  • MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    $43.99
    MSRP: $57.95
    Save 24%

Items 1 to 48 of 142 total

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