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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Items 1 to 48 of 51 total

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  • 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $232.39
    MSRP: $318.99
    Save 27%
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • LSB6 Lifesaver 6000UF Water Bottle
  • PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  • RO-3500 Pentek Reverse Osmosis Filter System
  • 4VTFC50G Hydrotech Reverse Osmosis Filter System

    4VTFC50G Hydrotech Reverse Osmosis Filter System

    $267.99
    MSRP: $289.79
    Save 8%
  • 4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    4VTFC50G-PB Hydrotech Pro Series Reverse Osmosis Filter System

    $279.99
    MSRP: $324.29
    Save 14%
  • 4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC25G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $285.99
    MSRP: $324.29
    Save 12%
  • 4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    4VTFC75G-PB Hydrotech Pushbutton Reverse Osmosis Filter System

    $299.99
    MSRP: $335.79
    Save 11%
  • XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • 8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    8013619 Katadyn Pocket Replacement Camping Water Filter Kit

    $206.99
    MSRP: $257.99
    Save 20%
  • SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • 602855 Trojan UV Max UV Lamp
  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $217.29
    MSRP: $268.99
    Save 19%
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99
    MSRP: $273.69
    Save 20%
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99
    MSRP: $226.54
    Save 3%
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99
    MSRP: $270.24
    Save 14%
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99
    MSRP: $236.34
    Save 1%
  • 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane
  • LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  • 200391 Axeon Reverse Osmosis Membrane

    200391 Axeon Reverse Osmosis Membrane

    $240.99
    MSRP: $308.99
    Save 22%
  • FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  • 650716-006 Trojan UVMAX C4 UV Disinfection System Controller

    650716-006 Trojan UVMAX C4 UV Disinfection System Controller

    $249.00
    MSRP: $272.54
    Save 9%
  • 650716-012 Trojan UVMAX C UV Disinfection System Controller

    650716-012 Trojan UVMAX C UV Disinfection System Controller

    $249.00
    MSRP: $297.99
    Save 16%
  • TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    $249.99
    MSRP: $289.79
    Save 14%
  • ROQC-450 Tier1 4-Stage Quick Change Reverse Osmosis Water Filter System
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • 602856 Trojan UVMAX J UV Disinfection System Lamp
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $255.00
    MSRP: $313.99
    Save 19%
  • S1Q-PA Sterilight Silver Series UV Disinfection System

    S1Q-PA Sterilight Silver Series UV Disinfection System

    $255.99
    MSRP: $296.69
    Save 14%
  • SC10-11 Everpure Commercial Filter System

    SC10-11 Everpure Commercial Filter System

    $260.99
    MSRP: $298.99
    Save 13%
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $265.00
    MSRP: $340.00
    Save 22%
  • 200553 Axeon Membrane Housing

    200553 Axeon Membrane Housing

    $265.99
    MSRP: $308.19
    Save 14%
  • 3M Aqua-Pure AP2150  Water Filter
  • S2Q-PA Sterilight Silver Series UV Disinfection System
  • HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    HL4021TF GE Desal Nano Filtration Reverse Osmosis Element

    $272.99
    MSRP: $316.24
    Save 14%
  • 200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    200379 Axeon HF1-4040 Low Energy Reverse Osmosis Membrane

    $272.99
    MSRP: $325.99
    Save 16%
  • TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    $275.99
    MSRP: $312.79
    Save 12%
  • S2Q-PA Viqua Tap Plus UltraViolet Water Sterilization System

    S2Q-PA Viqua Tap Plus UltraViolet Water Sterilization System

    $279.39
    MSRP: $344.99
    Save 19%
  • BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane
  • 200394 Axeon Reverse Osmosis Membrane

    200394 Axeon Reverse Osmosis Membrane

    $282.09
    MSRP: $375.99
    Save 25%
  • XLE-4040 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • BA-ICE-C Sterilight Cobalt ICE Basic UV Disinfection System Controller
  • WI-BG12000C Body Glove Replacement Filter Cartridge

    WI-BG12000C Body Glove Replacement Filter Cartridge

    $290.21
    MSRP: $386.95
    Save 25%
  • UVS-110-1 Pentek UV System
  • 2110080 Katadyn Gravity Filter System

    2110080 Katadyn Gravity Filter System

    $294.95
    MSRP: $341.49
    Save 14%
  • VT1-DWS Viqua UltraViolet Drinking Water Disinfection System

    VT1-DWS Viqua UltraViolet Drinking Water Disinfection System

    $299.00
    MSRP: $355.99
    Save 16%

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