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 64 total

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  • W9125010 Doulton CleanSoft Scale Pre-Filter Replacement Cartridge
  • W9222900 Doulton Ceramic Water Filter
  • W9222909 Doulton Imperial SuperCarb OBE Ceramic Water Filter
  • Doulton Filtadapt Counter Top Water Filter System – Pebble

    Doulton Filtadapt Counter Top Water Filter System – Pebble

    $95.00
    MSRP: $135.99
    Save 30%
  • W9222903 Doulton Ceramic Supercarb M15 Replacement Undersink Cartridge
  • W9223006 Doulton Imperial 10-inch Ultracarb Filter Cartridge
  • W9330005 Doulton 10 Inch Filter Housing

    W9330005 Doulton 10 Inch Filter Housing

    $59.00
    MSRP: $71.99
    Save 18%
  • 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%
  • W9380050 Doulton Dual Housing and 5 micron Pre-Filter Supercarb
  • W9380040 Doulton Two Stage Duo Undersink Drinking Water System
  • W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    $5.00
    MSRP: $8.34
    Save 40%
  • W2160901 Doulton Candle Mount O-ring

    W2160901 Doulton Ceramic Water Filter Candle O-Ring

    $4.00
    MSRP: $5.74
    Save 30%
  • W2313069 Doulton Stainless Steel Gravity Filter Vino Tap / Spigot
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $106.00
    MSRP: $118.30
    Save 10%
  • W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121020 Doulton Undersink Ceramic Candle Water Filter Cartridge
  • W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9122190 Doulton SuperCarb SI Ceramic Water Filter

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $41.00
    MSRP: $60.21
    Save 32%
  • W9142010 Doulton Replacement DCB10 Carbon Block

    W9142010 Doulton Replacement DCB10 Carbon Block

    $17.00
    MSRP: $18.39
    Save 8%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9320004 Doulton HIS Undersink Water Filtration System

    W9320004 Doulton HIS Undersink Water Filtration System

    $127.00
    MSRP: $235.99
    Save 46%
  • W9330042 Doulton HIP Undersink Water Filtration System

    W9330042 Doulton HIP Undersink Water Filtration System

    $73.00
    MSRP: $107.99
    Save 32%
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • W9331001 Doulton HCP Countertop Water Filtration System
  • W9331032 Doulton HCP UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $121.00
    MSRP: $175.99
    Save 31%
  • W9361122 Doulton SS2 Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $165.00
    MSRP: $232.27
    Save 29%
  • W9377001 Doulton Gravity Filter System
  • W9377010 Doulton Gravity Filter System
  • W9380001 Doulton Undersink Water Filtration 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%

    Out of stock

  • W9380003 Doulton Countertop Water Filtration System

    W9380003 Doulton Countertop Water Filtration System

    $124.00
    MSRP: $176.99
    Save 30%

    Out of stock

  • 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
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $32.00
    MSRP: $63.99
    Save 50%
  • W9221000 Doulton Replacement Ceramic Filter

    W9221000 Doulton SuperSterasyl Replacement Ceramic Filter

    $37.00
    MSRP: $59.59
    Save 38%
  • W9222910 Doulton Replacement Ceramic Filter
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $26.00
    MSRP: $34.55
    Save 25%
  • W9123085 Doulton Imperial UltraCarb Countertop Ceramic Candle Replacement Filter Cartridge
  • W9222901 Doulton Replacement Ceramic Filter
  • W9330958 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9121302 Doulton Imperial Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $149.00
    MSRP: $174.79
    Save 15%

    Out of stock

Items 1 to 48 of 64 total

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