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

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Whole House Water Filters & Systems

Choose from over 100+ whole house water filters from some of the industry’s top brands including, Pentek, Rusco, Culligan and more. Whole house water filter systems are placed on the main water line entering your home, and designed to remove rust, sediment, chlorine and other chemical contaminants from all water entering your home. So no matter where you are in your house, whether it’s the guest bedroom shower, outside hose, kitchen or bathroom sink, you and your family can have clean, healthy and great tasting water.

Not only does a whole house water filter give you the luxury of clean great tasting water from every faucet in the house it can also help extend the life of appliances that use water, such as dishwashers, water heaters and washing machines, because it removes the sediment, chlorine and other contaminants that would otherwise be entering those appliances.

Not looking for a whole house water filter, check out huge selection of:

Faucet-mounted filters

Under sink water filters

Shower filtration systems

Countertop water filter systems

Water filter pitchers

Clear All
Compare

26 Item(s)

Grid  List 

Set Descending Direction
  • W9125010 Doulton Specialty Replacement Filter Cartridge
  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • 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%
  • W9380010 Doulton Two Stage Water Filter System

    W9380010 Doulton Two Stage Water Filter System

    $122.99
    MSRP: $146.99
    Save 16%
  • W9120145 Doulton Replacement Candle Set (6-Pack)

    W9120145 Doulton Replacement Candle Set (6-Pack)

    $106.00
    MSRP: $118.30
    Save 10%
  • W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    $29.00
    MSRP: $47.91
    Save 39%
  • W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    $37.00
    MSRP: $54.26
    Save 32%
  • W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $41.00
    MSRP: $60.21
    Save 32%
  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    $41.00
    MSRP: $66.48
    Save 38%
  • W9125030 Doulton Specialty Replacement Filter Cartridge

    W9125030 Doulton Fluoride Reducing Water Filter Cartridge

    $38.00
    MSRP: $59.96
    Save 37%
  • W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    $37.00
    MSRP: $60.87
    Save 39%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9240001 Doulton Specialty Replacement Filter Cartridge
  • W9240002 Doulton Specialty Replacement Filter Cartridge
  • 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
  • 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%
  • W9220402 Doulton Slim Line Replacement Ceramic Filter

    W9220402 Doulton Slim Line Replacement Ceramic Filter

    $26.00
    MSRP: $34.55
    Save 25%
  • W9223022 Doulton Replacement Ceramic Filter

    W9223022 Doulton Ultracarb Replacement Ceramic Filter

    $62.00
    MSRP: $82.65
    Save 25%
  • W9222901 Doulton Replacement Ceramic Filter
  • W9223021 Doulton Ceramic Water Filter

    W9223021 Doulton Ultracarb Ceramic Water Filter

    $30.00
    MSRP: $70.14
    Save 57%
  • W9330059 Doulton Undersink Water Filtration System

    W9330059 Doulton HIP Undersink Water Filtration System

    $94.00
    MSRP: $167.99
    Save 44%

26 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top