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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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  • 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    $162.05 Retail Price:  $223.99
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99 Retail Price:  $237.99
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05 Retail Price:  $157.54
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99 Retail Price:  $108.34
  • WHED20 Whirlpool Undersink Water Filtration System

    WHED20 Whirlpool Undersink Water Filtration System

    $105.99 Retail Price:  $124.19
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $110.99 Retail Price:  $131.09
  • CQE-US-00313 Crystal Quest Undersink Double Ceramic PLUS Water Filtration System
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99 Retail Price:  $132.24
  • BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    $113.96 Retail Price:  $151.95
  • EP35R 3M Aqua-Pure Water Filter Cartridge

    EP35R 3M Aqua-Pure Replacement Water Filter Cartridge

    $115.99 Retail Price:  $123.04
  • AP-DW80/90 3M Aqua-Pure Water Filter Set

    AP-DW80/90 3M Aqua-Pure Pre and Post Filter Set

    $116.99 Retail Price:  $198.46
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • EV9607-25 Everpure ESO 7 Softening System Replacement Cartridge
  • K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    $122.99 Retail Price:  $173.40
  • CQE-CT-00128 Crystal Quest Countertop Ceramic Water Filter System
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $125.99 Retail Price:  $147.19
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $126.99 Retail Price:  $139.71
  • LSB4RC Lifesaver 4000UF Water Bottle Replacement Cartridge
  • CQE-RC-04020 Crystal Quest Nitrate Water Filter Cartridge
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $135.99 Retail Price:  $158.65
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $138.71 Retail Price:  $184.95
  • WI-BG3000C Body Glove Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $151.46 Retail Price:  $201.95
  • LSB6RC Lifesaver 6000UF Water Bottle Replacement Cartridge
  • 22045 Hydrologic Evolution Reverse Osmosis Membrane

    22045 Hydrologic Evolution Reverse Osmosis Membrane

    $153.99 Retail Price:  $179.39
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $166.99 Retail Price:  $195.37
  • Viqua VT1 Point-Of-Use UV System

    VT1 Viqua Point-Of-Use UltraViolet Disinfection System

    $169.00 Retail Price:  $206.99
  • LSB4 Lifesaver 4000UF Water Bottle
  • AR-PRE Manitowoc Arctic Pure Ice Machine Pre-Filter Assembly
  • BW2000A Flojet Bottled Water Dispensing System

    BW2000A Flojet Bottled Water Dispensing System

    $189.99 Retail Price:  $225.99
  • 200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

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