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

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Water Filtration Systems, Filters, & Parts

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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Items 1 to 48 of 59 total

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  • 8014931 Katadyn Vario Backcountry Series Microfilter Water Filter
  • P195BN Cuno Water Filter Cartridge

    P195BN 3M Cuno Water Filter Cartridge

    $176.99
    MSRP: $237.99
    Save 26%
  • 110720 Amway eSpring UV Water Purification System
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%
  • Body Glove WI-BG3000C Replacement Filter Cartridge

    WI-BG3000C Body Glove Replacement Filter Cartridge

    $158.96
    MSRP: $192.95
    Save 18%
  • WI-BG3000R Body Glove Replacement Filter Cartridge

    WI-BG3000R Body Glove Replacement Filter Cartridge

    $145.46
    MSRP: $174.95
    Save 17%
  • CQE-WC-00906 Crystal Quest Water Cooler

    CQE-WC-00906 Crystal Quest Water Cooler

    $599.99
    MSRP: $692.29
    Save 13%
  • CQE-WC-00907 Crystal Quest Water Cooler

    CQE-WC-00907 Crystal Quest Water Cooler

    $702.99
    MSRP: $810.74
    Save 13%
  • CQE-WC-00909 Crystal Quest Water Cooler

    CQE-WC-00909 Crystal Quest Water Cooler

    $596.99
    MSRP: $688.84
    Save 13%
  • CQP-WC-05900 Crystal Quest Water Cooler

    CQP-WC-05900 Crystal Quest Water Cooler

    $792.99
    MSRP: $910.79
    Save 13%
  • US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    US-EZ-4 Culligan Level 4 Easy-Change Undersink Filter System

    $91.99
    MSRP: $110.99
    Save 17%
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9331032 Doulton HCP UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $121.00
    MSRP: $175.99
    Save 31%
  • 7DM Everpure Replacement Filter Cartridge

    7DM Everpure Replacement Filter Cartridge

    $93.99
    MSRP: $128.79
    Save 27%
  • EV9300-25 Everpure proseries 2500 Replacement Filter Cartridge
  • EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    EV9300-35 Everpure proseries 3500 Replacement Filter Cartridge

    $120.49
    MSRP: $170.99
    Save 30%
  • EV9607-25 Everpure ESO 7 Softening System Replacement Cartridge
  • EV9619-06 Everpure OW200L Replacement Filter Cartridge

    EV9619-06 Everpure OW200L Replacement Filter Cartridge

    $84.99
    MSRP: $118.99
    Save 29%
  • H-300 Everpure Under Sink Filter System

    H-300 Everpure Under Sink Filter System

    $310.99
    MSRP: $373.74
    Save 17%
  • THM-1 Everpure Replacement Filter Cartridge

    THM-1 Everpure Replacement Filter Cartridge

    $103.05
    MSRP: $157.54
    Save 35%
  • THM-2 Everpure Replacement Filter Cartridge

    THM-2 Everpure Replacement Filter Cartridge

    $86.99
    MSRP: $106.94
    Save 19%
  • RO1000 Hydrologic Evolution Tankless Reverse Osmosis Filter System
  • 4US-MAXL-S01 Filtrete Single Stage Drinking Water System
  • CBF3-S-05 OmniFilter Undersink Filter System

    CBF3-S-05 OmniFilter Undersink Water Filtration System

    $105.99
    MSRP: $108.34
    Save 2%
  • US-1000 Pentek Undersink Filter System

    US-1000 Pentek Undersink Filter System

    $130.79
    MSRP: $179.99
    Save 27%
  • US-1500 Pentek Undersink Filter System with Monitor

    US-1500 Pentek Undersink Filter System with Monitor

    $172.09
    MSRP: $228.99
    Save 25%
  • F-201 InSinkErator Instant Hot Water Dispenser Filtration System
  • 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
  • LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  • LSJC20RC Lifesaver 20000UF Jerrycan Replacement Filter Cartridge
  • AR-PRE Manitowoc Arctic Pure Ice Machine Pre-Filter Assembly

    AR-PRE Manitowoc Arctic Pure Ice Machine Pre-Filter Assembly

    $179.99
    MSRP: $209.29
    Save 14%
  • K00339 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    K00339 Manitowoc Arctic Pure Ice Maker Filter Cartridge

    $93.99
    MSRP: $138.99
    Save 32%
  • W9331208 Doulton HCS Countertop Water Filtration System

    W9331208 Doulton HCS Countertop Water Filtration System

    $166.00
    MSRP: $294.33
    Save 44%
  • 22045 Hydrologic Evolution Reverse Osmosis Membrane

    22045 Hydrologic Evolution Reverse Osmosis Membrane

    $153.99
    MSRP: $179.39
    Save 14%
  • W9330059 Doulton HIP Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $94.00
    MSRP: $167.99
    Save 44%
  • WHADVS5/WHED20 Whirlpool Undersink Water Filtration System
  • CQE-CT-00128 Crystal Quest Countertop Ceramic Water Filter System
  • CQE-US-00313 Crystal Quest Undersink Double Ceramic PLUS Water Filtration System
  • EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    EV9601-77 Everpure VOC #2 Replacement Filter Cartridge

    $133.09
    MSRP: $171.99
    Save 23%
  • BG-1000 Body Glove Water Filtration System

    BG-1000 Body Glove Water Filtration System

    $343.99
    MSRP: $426.95
    Save 19%
  • BG-1000C Body Glove Replacement Water Filter Cartridge

    BG-1000C Body Glove Replacement Water Filter Cartridge

    $119.99
    MSRP: $139.95
    Save 14%
  • BG-3000 Body Glove Water Filtration System

    BG-3000 Body Glove Water Filtration System

    $410.99
    MSRP: $516.95
    Save 20%
  • WI-BG12000 Body Glove Water Filter System

    WI-BG12000 Body Glove Water Filter System

    $639.99
    MSRP: $819.95
    Save 22%
  • 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane
  • 200378 Axeon HF1-4021 Reverse Osmosis Membrane

    200378 Axeon HF1-4021 Reverse Osmosis Membrane

    $171.29
    MSRP: $238.99
    Save 28%
  • 200390 Axeon HF4-4021 Extra Low Energy Reverse Osmosis Membrane

Items 1 to 48 of 59 total

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