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

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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

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Items 1 to 48 of 49 total

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  • PENTEK-ST-BC-4

    PENTEK-ST-BC-4

    $759.05
    MSRP: $1,009.11
    Save 25%
  • Hydronix HF2-10CLWH12 Clear 10 inch Filter Housing
  • PENTEK-150564

    PENTEK-150564

    $77.99
  • 150072 Pentek 3/4-inch #10 Standard Blue/Clear Filter Housing
  • 158098 Pentek Slim Line Water Filter Housing System

    158098 Pentek Slim Line Water Filter Housing System

    $15.99
    MSRP: $19.99
    Save 20%
  • 158203 Pentek Slim Line Black/Blue w/PR Water Filter System
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter (6-Pack)
  • W10-PR American Plumber Whole House Filter System

    W10-PR American Plumber Whole House Filter System

    $59.99
    MSRP: $67.84
    Save 12%
  • 3M Aqua-Pure AP101T Whole House Water Filter

    AP101T 3M Aqua-Pure Whole House Water Filtration System

    $103.99
    MSRP: $137.99
    Save 25%
  • 3M Aqua-Pure AP430SS Water Heater Scale Inhibitor

    AP430SS 3M Aqua-Pure Water Heater Scale Inhibitor System

    $70.99
    MSRP: $90.84
    Save 22%
  • 3M Aqua-Pure AP903 Water Filter System

    AP903 3M Aqua-Pure Water Filtration System

    $239.99
    MSRP: $342.69
    Save 30%
  • 3M Aqua-Pure AP910R Water Filter

    AP910R 3M Aqua-Pure Replacement Filter Cartridge

    $118.99
    MSRP: $128.79
    Save 8%
  • 3M Aqua-Pure AP917R Water Filter Cartridge
  • CUNO-CFS01S

    CUNO-CFS01S

    $132.05
    MSRP: $152.94
    Save 14%
  • CUNO-CFS02S

    CUNO-CFS02S

    $184.49
    MSRP: $214.46
    Save 14%
  • CFS11S Cuno Whole House Filter Housing

    CFS11S Cuno Whole House Filter Housing

    $95.99
    MSRP: $101.19
    Save 5%
  • CUNO-CFS22

    CUNO-CFS22

    $128.99
    MSRP: $148.34
    Save 13%
  • OB5-S-05 OmniFilter Whole House Filter System

    OB5-S-05 OmniFilter Whole House Water Filtration System

    $29.99
    MSRP: $36.79
    Save 18%
  • HFPP-1-WPR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • PENTEK-HFPP-112-PR10

    PENTEK-HFPP-112-PR10

    $41.19
    MSRP: $49.67
    Save 17%
  • HFPP-34-PR-10 Pentek Big Blue Whole House 10 inch Filter Housing
  • HFPP-34-PR-20 Pentek Big Blue Whole House 20 inch Filter Housing
  • HFPP-1-PR10 Pentek Big Blue Whole House 10 inch Filter Housing
  • HFPP-1-PR20 Pentek Big Blue Whole House 20 inch Filter Housing
  • STANDARD-34-PR-10 Pentek Whole House Standard 10 inch Filter Housing
  • STANDARD-34-WPR-10 Pentek Whole House Standard 10 inch Filter Housing
  • STANDARD-CLEAR-34-PR10 Pentek Whole House Standard 10 inch Filter Housing
  • VIH-34-PR10 Pentek Whole House Valve-in-Head 10 inch Filter Housing
  • OMNIFILTER-BF7-S-05

    OMNIFILTER-BF7-S-05

    $69.99
    MSRP: $82.79
    Save 15%
  • 166227 Pentek Big White 3/4-inch #20 Housing Assembly
  • 3G-STANDARD-20-CLEAR-PR20 Pentek Whole House 20 inch Filter Housing
  • 3G-STANDARD-34-PR10 Pentek Whole House 3G Standard 10 inch Filter Housing
  • 3G-STANDARD-34-PR20 Pentek Whole House Standard 20 inch Filter Housing
  • 3G-STANDARD-CLEAR-34-PR10 Pentek Whole House Standard 10 inch Filter Housing
  • BBFS-22 Pentek Two Housing Filter System

    BBFS-22 Pentek Two Housing Filter System

    $175.09
    MSRP: $203.65
    Save 14%
  • BBFS-222 Pentek Three Housing Filter System

    BBFS-222 Pentek Three Housing Filter System

    $224.99
    MSRP: $331.43
    Save 32%
  • BIG-CLEAR-LX-10 Pentek Big Clear Whole House 10 inch Filter Housing
  • 158129 Pentek SlimLine Water Filter Housing (3/8 Inch)

    158129 Pentek SlimLine Water Filter Housing (3/8 Inch)

    $29.99
    MSRP: $36.79
    Save 18%
  • 3M Aqua-Pure AP802 Whole House Water Filter

    AP802 3M Aqua-Pure Whole House Water Filtration System

    $100.99
    MSRP: $118.44
    Save 15%
  • AQUA-PURE-AP902

    AQUA-PURE-AP902

    $204.99
  • 3M Aqua-Pure AP11T Whole House Water Filter

    AP11T 3M Aqua-Pure Whole House Water Filtration System

    $79.99
    MSRP: $94.29
    Save 15%
  • AQUA-PURE-SST1HA

    AQUA-PURE-SST1HA

    $201.05
  • 150069 Pentek 20” Water Filter Housing

    150069 Pentek 20-inch Water Filter Housing

    $34.99
    MSRP: $49.44
    Save 29%
  • 150550 Pentek 3G Whole House Filter System

    150550 Pentek 3G Whole House Filter System

    $24.05
    MSRP: $35.64
    Save 33%
  • 3M Aqua-Pure AP102T Whole House Water Filter System

    AP102T 3M Aqua-Pure Whole House Filter System

    $139.99
    MSRP: $165.99
    Save 16%
  • 3M Aqua-Pure AP904 Carbon Water Filter

    AP904 3M Aqua-Pure Carbon Water Filter

    $278.99
    MSRP: $330.00
    Save 15%
  • SST1 3M Aqua-Pure Whole House Filtration System

    SST1 3M Aqua-Pure Whole House Water Filtration System

    $192.99
    MSRP: $224.24
    Save 14%

Items 1 to 48 of 49 total

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