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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.

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  • 67300 Aquamira Home Emergency Drinking Water Kit
  • APHOSF-RC 3M Aqua-Pure High-Output Shower Filter Cartridge
  • AQUAPURE-APIL3R

    AQUAPURE-APIL3R

    $40.99 Retail Price:  $45.41
  • RC-EZ-4 Culligan Level 4 Easy-Change Inline Filter Replacement Cartridge
  • EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    EV9608-10 Everpure 2JT Flushing and Sanitizing Cartridge

    $40.99 Retail Price:  $49.44
  • FXHTC

    FXHTC

    $40.99 Retail Price:  $42.54
  • VIH-34-PR10 Pentek Whole House Valve-in-Head 10 inch Filter Housing
  • WATER-FACTORY-SYSTEMS-47-55711G2

    WATER-FACTORY-SYSTEMS-47-55711G2

    $40.99 Retail Price:  $52.89
  • MATRIKX-5-HD10 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  • 3M Aqua-Pure AP110-3C Whole House Water Filter

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

    $40.99 Retail Price:  $49.44
  • MOEN-9602

    MOEN-9602

    $40.99 Retail Price:  $49.44
  • RS-502-MS Rainshowr Shower Filter System with Massage - White
  • PENTEK-HFPP-112-PR10

    PENTEK-HFPP-112-PR10

    $41.19 Retail Price:  $49.67
  • 3M Aqua-Pure APLPSF-PC Low Profile Shower Filter - Chrome
  • BRITA-CHROME-PITCHER
  • CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    $41.99 Retail Price:  $50.59
  • EV9601-00 Everpure 4C Replacement Filter Cartridge

    EV9601-00 Everpure 4C Replacement Filter Cartridge

    $41.99 Retail Price:  $45.99
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $41.99 Retail Price:  $48.29
  • 3US-AS01 Filtrete Undersink Filter System

    3US-AS01 Filtrete Undersink Filter System

    $41.99 Retail Price:  $50.59
  • GXULQR

    GXULQR

    $41.99 Retail Price:  $43.69
  • PENTEK-HFPP-34-PR-10

    PENTEK-HFPP-34-PR-10

    $41.99 Retail Price:  $48.06
  • PCC-1 Pentek Undersink Filter Replacement Cartridge

    PCC-1 Pentek Undersink Filter Replacement Cartridge

    $41.99 Retail Price:  $53.23
  • QMP602 QMP Countertop Water Filter System

    QMP602 QMP Countertop Filter System

    $41.99 Retail Price:  $45.99
  • 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 Retail Price:  $45.34
  • 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

    CBC-BB Pentek Whole House Filter Replacement Cartridge

    $42.99 Retail Price:  $44.26
  • CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    $42.99 Retail Price:  $52.89
  • 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 Retail Price:  $66.69
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85 Retail Price:  $52.73
  • 4373529 Whirlpool Undersink Filter Replacement Cartridge

    4373529 Whirlpool Undersink Filter Replacement Cartridge

    $43.99 Retail Price:  $50.59
  • AMERICAN-PLUMBER-WROR

    AMERICAN-PLUMBER-WROR

    $43.99 Retail Price:  $51.74
  • C-CS-FF 3M Aqua-Pure Undersink Water Filter

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

    $43.99 Retail Price:  $48.06
  • 42646 Brita AquaView AVFR-200 Faucet Filter Replacement Cartridge (2-Pack)
  • BRITA-PITCHER-FILTER-6PK

    BRITA-PITCHER-FILTER-6PK

    $43.99 Retail Price:  $52.89
  • 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 Retail Price:  $52.89
  • EV9618-36 Everpure 2CB-GW Replacement Water Filter Cartridge
  • PENTEK-HFPP-PR20

    PENTEK-HFPP-PR20

    $43.99 Retail Price:  $66.23
  • RCGG Rainshowr Gard'n Gro Garden Dechlorinator Replacement Cartridge (2-Pack) - 1
  • KX-MATRIKX-5-20

    KX-MATRIKX-5-20

    $43.99
  • DBC-10EX2 Pentek Replacement Filter Cartridge

    DBC-10EX2 Pentek Water Filter Cartridge Replacement

    $43.99 Retail Price:  $57.95
  • CRYSTAL-QUEST-CQE-SP-00803
  • CULLIGAN-01018468
  • 8014235 Katadyn Exstream Ultralight Series 21-Ounce Personal Water Purifier Bottle - Olive

Items 1 to 48 of 143 total

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