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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.

Items 1 to 48 of 69 total

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  • 602855 Viqua Water Disinfection System UV Lamp

    602855 Viqua Water Disinfection System UV Lamp

    $209.99 Retail Price:  $279.00
  • ECP1-10 Pentek Replacement Filter Cartridge (30-Pack)
  • ECP5-20 Pentek Replacement Filter Cartridge (20-Pack)
  • SWC-45-1001 Hydronix String-Wound Sediment Water Filter (20-Pack)
  • CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge (12-Pack)
  • DGD-2501 Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • DGD-5005 Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • ECP20-20 Pentek Replacement Filter Cartridge (20-Pack)
  • DGD-7525 Pentek Whole House Replacement Sediment Filter (20-Pack)
  • ECP20-BB Pentek Replacement Filter Cartridge (20-Pack)
  • 650703 Viqua Home UV Water Disinfection System Sensor

    650703 Viqua Home UV Water Disinfection System Sensor

    $241.99 Retail Price:  $340.00
  • 602856 Viqua Water Disinfection System UV Lamp

    602856 Viqua Water Disinfection System UV Lamp

    $245.99 Retail Price:  $325.00
  • BA-ICE-S Viqua UV Disinfection System Controller

    BA-ICE-C Viqua UV Disinfection System Controller

    $249.99 Retail Price:  $379.00
  • ECP5-BB Pentek Whole House Filter Replacement Cartridge (20-Pack)
  • 650580 Viqua Professional UV Water Disinfection System Sensor
  • 602855 Trojan UV Max UV Lamp
  • 3M AquaPure 3MFF101 Whole House Water Filter Cartridge

    3MFF101 3M Aqua-Pure Replacement Water Filter Cartridge

    $200.99 Retail Price:  $209.29
  • SST1HA 3M Aqua-Pure Water Filter System Housing
  • XLE-2540 Filmtec Extra Low Energy Commercial Reverse Osmosis Membrane
  • 3M Aqua-Pure AP902 Whole House Water Filter

    AP902 3M Aqua-Pure Whole House Water Filtration System

    $204.99 Retail Price:  $238.04
  • 31040 Hydrologic Stealth-RO200 Reverse Osmosis Water Filtration System
  • EV9324-01 Everpure Ice Machine Filter System

    EV9324-01 Everpure Ice Machine Filter System

    $218.99 Retail Price:  $273.69
  • AG2540TF Desal Reverse Osmosis Membrane

    AG2540TF Desal Reverse Osmosis Membrane

    $219.99 Retail Price:  $226.54
  • RO-PL5000 PuROLine Reverse Osmosis Filter System

    RO-PL5000 PuROLine Reverse Osmosis Filter System

    $219.99 Retail Price:  $232.29
  • 200393 Axeon Ultra Low Energy HF5-4021 Commercial Reverse Osmosis Membrane
  • BBFS-222 Pentek Three Housing Filter System

    BBFS-222 Pentek Three Housing Filter System

    $224.99 Retail Price:  $331.43
  • ST-2 Pentek Filter Housing - Stainless Steel

    ST-2 Pentek Filter Housing - Stainless Steel

    $226.99 Retail Price:  $286.57
  • 200391 Axeon Reverse Osmosis Membrane

    200391 Axeon Reverse Osmosis Membrane

    $228.05 Retail Price:  $278.29
  • PT3000T50-SS-AD PuROTwist PuROTwist Reverse Osmosis Filter System
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99 Retail Price:  $270.24
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99 Retail Price:  $236.34
  • 650716-006 Trojan UVMAX C4 UV Disinfection System Controller
  • 650716-012 Trojan UVMAX C UV Disinfection System Controller

    650716-012 Trojan UVMAX C UV Disinfection System Controller

    $234.99 Retail Price:  $272.54
  • 3M AquaPure 3MFF100 Drinking Water Filter System
  • PT4000T50-SS-AG PuROTwist PuROTwist Reverse Osmosis Filter System
  • LSJC10RC Lifesaver 10000UF Jerrycan Replacement Filter Cartridge
  • 3M Aqua-Pure AP903 Water Filter System

    AP903 3M Aqua-Pure Water Filtration System

    $239.99 Retail Price:  $342.69
  • FM-350-DWS Water Factory Systems FaucetMATE Faucet Filter System
  • RO-3500 Pentek Reverse Osmosis Filter System

    RO-3500 Pentek Reverse Osmosis Filter System

    $248.99 Retail Price:  $300.15
  • TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    $249.99 Retail Price:  $289.79
  • LSB6 Lifesaver 6000UF Water Bottle
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94 Retail Price:  $294.33
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • S1Q-PA Sterilight Silver Series UV Disinfection System

    S1Q-PA Sterilight Silver Series UV Disinfection System

    $255.99 Retail Price:  $296.69
  • SC10-11 Everpure Commercial Filter System

    SC10-11 Everpure Commercial Filter System

    $260.99 Retail Price:  $298.99
  • BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane
  • 200553 Axeon Membrane Housing

    200553 Axeon Membrane Housing

    $265.99 Retail Price:  $308.19
  • 200394 Axeon Reverse Osmosis Membrane

    200394 Axeon Reverse Osmosis Membrane

    $266.99 Retail Price:  $349.99

Items 1 to 48 of 69 total

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