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

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  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
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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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22 Item(s)

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  • W9331028 Doulton Supercarb Counter Top Filter System

    W9331028 Doulton Supercarb Counter Top Filter System

    $141.00
    MSRP: $167.99
    Save 16%
  • W9380010 Doulton Two Stage Water Filter System

    W9380010 Doulton Two Stage Water Filter System

    $122.99
    MSRP: $146.99
    Save 16%
  • W9380040 Doulton Two Stage Duo Undersink Drinking Water System
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $106.00
    MSRP: $118.30
    Save 10%
  • W9320004 Doulton Undersink Filter System

    W9320004 Doulton HIS Undersink Water Filtration System

    $127.00
    MSRP: $235.99
    Save 46%
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • W9331001 Doulton Countertop Filter System
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $121.00
    MSRP: $175.99
    Save 31%
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $165.00
    MSRP: $232.27
    Save 29%
  • W9380001 Doulton Undersink Filter System

    W9380001 Doulton Undersink Water Filtration System

    $124.00
    MSRP: $169.99
    Save 27%
  • W9380002 Doulton Undersink Filter System

    W9380002 Doulton HIP3 Undersink Water Filtration System

    $154.00
    MSRP: $230.08
    Save 33%
  • W9380003 Doulton Countertop Filter System

    W9380003 Doulton Countertop Water Filtration System

    $124.00
    MSRP: $176.99
    Save 30%
  • W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    $116.00
    MSRP: $191.99
    Save 40%
  • W9381100 Doulton Whole House Filter System
  • W9381101 Doulton Whole House Filter System
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $149.00
    MSRP: $174.79
    Save 15%
  • W9320007 Doulton Undersink Ceramic Candle Filter Housing

    W9320007 Doulton Undersink Ceramic Candle Filter Housing

    $110.00
    MSRP: $215.99
    Save 49%
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $166.00
    MSRP: $294.33
    Save 44%
  • W9361236 Doulton Gravity Water Filter

    W9361236 Doulton Gravity Water Filter

    $105.00
    MSRP: $156.00
    Save 33%

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