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

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Water Filters & Air Filters Brands

Whether you’re looking to replace your inline water filter or trying to find the best air purifiers, we can help you by providing quality filters for less. Discount Filter Store offers the top filter brands, such as PUR, Honeywell, and ZeroWater to help make sure that you have worry-free water. Our helpful experts are also here to make sure you find the filter you need. Give us a call at 1-800-277-3458, and we’ll answer your filter questions from reverse osmosis water filtration systems to air humidifiers, to get you to the product you need.

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Items 1 to 48 of 56 total

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  • W2110880 Doulton Candle Replacement Washer
  • W2110885 Doulton OBE Washer

    W2110885 Doulton OBE Ceramic Water Filter Washer

    $3.99
    MSRP: $6.89
    Save 42%
  • W2123100 Doulton Wing Nut

    W2123100 Doulton Long Mount Water Filter Wing Nut

    $5.99
    MSRP: $8.34
    Save 28%
  • W2160901 Doulton Candle Mount O-ring

    W2160901 Doulton Ceramic Water Filter Candle O-Ring

    $3.99
    MSRP: $5.74
    Save 30%
  • W2313072 Doulton SS Vino Tap / Spigot
  • W2395740 Doulton Cobra Clip
  • W2395809 Doulton Grommet

    W2395809 Doulton Grommet For Gravity Filters

    $2.99
    MSRP: $3.32
    Save 10%
  • W2395982 Doulton Replacement Knob
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $104.99
    MSRP: $118.30
    Save 11%
  • 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
  • W9121715 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9121750 Doulton Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $50.36
    MSRP: $60.21
    Save 16%
  • W9123053 Doulton UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W9222900 Doulton Ceramic Water Filter
  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • W9320004 Doulton Undersink Filter System

    W9320004 Doulton HIS Undersink Water Filtration System

    $181.49
    MSRP: $235.99
    Save 23%
  • W9330042 Doulton Undersink Filter System

    W9330042 Doulton HIP Undersink Water Filtration System

    $79.29
    MSRP: $107.99
    Save 27%
  • 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
    MSRP: $101.71
    Save 43%
  • W9331032 Doulton UltraCarb Countertop Filter System

    W9331032 Doulton HCP UltraCarb Countertop Filter System

    $140.69
    MSRP: $175.99
    Save 20%
  • W9361122 Doulton Countertop Filter System

    W9361122 Doulton SS2 Countertop Filter System

    $199.97
    MSRP: $232.27
    Save 14%
  • W9377001 Doulton Gravity Filter System
  • W9377010 Doulton Gravity Filter System
  • W9380001 Doulton Undersink Filter System

    W9380001 Doulton Undersink Water Filtration System

    $123.59
    MSRP: $169.99
    Save 27%
  • W9380002 Doulton Undersink Filter System

    W9380002 Doulton HIP3 Undersink Water Filtration System

    $198.07
    MSRP: $230.08
    Save 14%
  • W9380003 Doulton Countertop Filter System

    W9380003 Doulton Countertop Water Filtration System

    $143.09
    MSRP: $176.99
    Save 19%
  • W9381000 Doulton High Flow Multi Candle Filter Module

    W9381000 Doulton High Flow Multi Candle Filter Module

    $145.29
    MSRP: $191.99
    Save 24%
  • W9381100 Doulton Whole House Filter System
  • W9381101 Doulton Whole House Filter System
  • W9220406 Doulton Replacement Ceramic Filter

    W9220406 Doulton Replacement Ceramic Filter

    $47.39
    MSRP: $63.99
    Save 26%
  • W9221000 Doulton Replacement Ceramic Filter

    W9221000 Doulton SuperSterasyl Replacement Ceramic Filter

    $52.99
    MSRP: $59.59
    Save 11%
  • W9222910 Doulton Replacement Ceramic Filter

    W9222910 Doulton Supercarb Replacement Ceramic Filter

    $43.85
    MSRP: $52.73
    Save 17%
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $30.99
    MSRP: $34.55
    Save 10%
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    $70.99
    MSRP: $82.65
    Save 14%
  • W9123085 Doulton Imperial UltraCarb Undersink Ceramic Candle Replacement Filter Cartridge
  • W9330958 Doulton SuperCarb Undersink Ceramic Candle Filter System
  • W9121302 Doulton Imperial Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W2313080 Doulton Countertop and Undersink System Housing Wrench
  • W9331028 Doulton SuperCarb Countertop Filter System

    W9331028 Doulton HCP SuperCarb Countertop Filter System

    $147.05
    MSRP: $174.79
    Save 16%
  • W2326130 Doulton Filter Housing Sump O-Ring

    W2326130 Doulton Filter Housing Sump O-Ring

    $4.89
    MSRP: $10.99
    Save 56%
  • W2390009 Doulton Filter Housing Sump O-Ring

    W2390009 Doulton Filter Housing Sump O-Ring

    $2.99
    MSRP: $9.99
    Save 70%
  • W9121202 Doulton AquaCera Supersterasyl Undersink Ceramic Candle Replacement Filter Cartridge
  • W9320007 Doulton Undersink Ceramic Candle Filter Housing

    W9320007 Doulton Undersink Ceramic Candle Filter Housing

    $156.59
    MSRP: $215.99
    Save 28%
  • W9331208 Doulton Countertop Filter System

    W9331208 Doulton HCS Countertop Water Filtration System

    $253.94
    MSRP: $294.33
    Save 14%

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