Discount Water Filters and Air Filters at Discount Filter Store.com

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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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38 Item(s)

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  • 55897C Halsey-Taylor Water Sentry VII Drinking Fountain Filter
  • DuPont WFRO60X Quick Twist Reverse Osmosis System
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99
    MSRP: $237.99
    Save 26%
  • 100186 Amway eSpring Replacement Filter Cartridge
  • 110194 Amway eSpring Replacement Filter Cartridge
  • 110720 Amway eSpring UV Water Purification System
  • 3M Aqua-Pure AP200 Under Sink Water Filter

    AP200 3M Aqua-Pure Undersink Water Filtration System

    $108.09
    MSRP: $160.99
    Save 33%
  • 3M Aqua-Pure AP517 Water Filter Replacement Cartridge

    AP517 3M Aqua-Pure Undersink Filter Replacement Cartridge

    $69.09
    MSRP: $88.99
    Save 22%
  • EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    $69.99
    MSRP: $82.79
    Save 15%
  • EP25 3M Aqua-Pure Whole House Water Filter

    EP25 3M Aqua-Pure Whole House Water Filter Cartridge

    $91.99
    MSRP: $111.54
    Save 18%
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%
  • CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    CQE-RC-04008 Crystal Quest Arsenic Filter Cartridge

    $74.99
    MSRP: $103.99
    Save 28%
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99
    MSRP: $519.79
    Save 13%
  • EV4339-12 Everpure Claris L Replacement Hot Water Filter Cartridge

    EV4339-12 Everpure Claris L Hot Water Filter Cartridge

    $195.99
    MSRP: $205.84
    Save 5%
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    EV9634-01 Everpure OW2 Plus Replacement Filter Cartridge

    $69.99
    MSRP: $87.99
    Save 20%
  • EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    EV9635-01 Everpure OW4-Plus Replacement Filter Cartridge

    $68.69
    MSRP: $111.99
    Save 39%
  • CBF1-S-05 OmniFilter Undersink Filter System

    CBF1-S-05 OmniFilter Undersink Water Filtration System

    $76.19
    MSRP: $101.99
    Save 25%
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $172.09
    MSRP: $228.99
    Save 25%
  • FRDM-RP-EF SteriPEN Portable UV System
  • JY-RP SteriPEN Portable UV System
  • JY-UPF-RP SteriPEN Portable UV System
  • SIDE-SYS SteriPEN Portable UV System

    SIDE-SYS SteriPEN Portable UV System

    $99.95
    MSRP: $102.34
    Save 2%
  • 47-5574704 Water Factory Systems FaucetMATE Carbon Block Filter
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • 8017764 Katadyn Microfilter System

    8017764 Katadyn ‘Mini’ Microfilter Water Filtration System

    $109.95
    MSRP: $128.74
    Save 15%
  • K-201 Kohler Undersink Replacement Filter Cartridge

    K-201 Kohler Undersink Water Filter Cartridge Replacement

    $96.99
    MSRP: $132.60
    Save 27%
  • K-202 Kohler Undersink Replacement Filter Cartridge

    K-202 Kohler Undersink Water Filter Cartridge

    $129.99
    MSRP: $173.40
    Save 25%
  • LSB4RC Lifesaver 4000UF Water Bottle Replacement Cartridge
  • LSB6RC Lifesaver 6000UF Water Bottle Replacement Cartridge
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.05
    MSRP: $174.79
    Save 16%
  • 3M Aqua-Pure AP510 Water Filter System

    AP510 3M Aqua-Pure Water Filtration System

    $141.99
    MSRP: $146.04
    Save 3%
  • FM-1500-DWS Water Factory Systems Drinking Water Filtration System
  • WI-BG12000 Body Glove Water Filter System

    WI-BG12000 Body Glove Water Filter System

    $639.99
    MSRP: $819.95
    Save 22%
  • WI-BG-COUNTERTOP-FILTER Body Glove Replacement Countertop Water Filter
  • LSB4 Lifesaver 4000UF Water Bottle
  • LSB6 Lifesaver 6000UF Water Bottle

38 Item(s)

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