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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 57 total

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  • W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    $5.99 Retail Price:  $8.34
  • W2160901 Doulton Candle Mount O-ring

    W2160901 Doulton Ceramic Water Filter Candle O-Ring

    $3.99 Retail Price:  $5.74
  • W2313072 Doulton SS Vino Tap / Spigot
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99 Retail Price:  $118.30
  • W9120562 Doulton Sterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121020 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121200 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    $37.94 Retail Price:  $47.91
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9122021 Doulton SuperCarb Replacement Element
  • W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $50.36 Retail Price:  $60.21
  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    $55.81 Retail Price:  $66.48
  • W9125030 Doulton Specialty Replacement Filter Cartridge
  • W9142010 Doulton Replacement Ceramic Filter

    W9142010 Doulton Replacement Ceramic Filter

    $15.99 Retail Price:  $18.39
  • W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    $53.99 Retail Price:  $60.87
  • W9223026 Doulton Replacement Ceramic Filter
  • W9240001 Doulton Specialty Replacement Filter Cartridge
  • W9240002 Doulton Specialty Replacement Filter Cartridge
  • W9320004 Doulton Undersink Filter System

    W9320004 Doulton HIS Undersink Water Filtration System

    $176.16 Retail Price:  $204.88
  • W9330042 Doulton Undersink Filter System

    W9330042 Doulton HIP Undersink Water Filtration System

    $76.99 Retail Price:  $98.80
  • W9330957 Doulton UltraCarb Undersink Ceramic Candle Filter System
  • W9330962 Doulton Sterasyl Undersink Ceramic Candle Filter System
  • W9331001 Doulton Countertop Filter System

    W9331001 Doulton HCP Countertop Water Filtration System

    $58.05 Retail Price:  $101.71
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $135.99 Retail Price:  $158.65
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $199.97 Retail Price:  $232.27
  • W9377001 Doulton Gravity Filter System
  • W9377010 Doulton Gravity Filter System
  • W9380001 Doulton Undersink Filter System

    W9380001 Doulton Undersink Water Filtration System

    $132.16 Retail Price:  $154.28
  • W9380002 Doulton Undersink Filter System

    W9380002 Doulton HIP3 Undersink Water Filtration System

    $198.07 Retail Price:  $230.08
  • W9380003 Doulton Countertop Filter System

    W9380003 Doulton Countertop Water Filtration System

    $138.33 Retail Price:  $161.38
  • W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    $140.99 Retail Price:  $158.36
  • W9381100 Doulton Whole House Filter System
  • W9381101 Doulton Whole House Filter System
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $45.99 Retail Price:  $52.73
  • W9221000 Doulton Replacement Ceramic Filter
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85 Retail Price:  $52.73
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99 Retail Price:  $34.55
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    $70.99 Retail Price:  $82.65
  • W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W9222901 Doulton Replacement Ceramic Filter
  • W9330958 Doulton SuperCarb 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

    $147.05 Retail Price:  $174.79
  • W9121202 Doulton AquaCera Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9320007 Doulton Undersink Ceramic Candle Filter Housing

    W9320007 Doulton Undersink Ceramic Candle Filter Housing

    $151.99 Retail Price:  $167.57
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94 Retail Price:  $294.33

Items 1 to 48 of 57 total

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