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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  • SWC1350 Cuno Whole House Filter Replacement Cartridge

    SWC1350 Cuno Whole House Water Filter Cartridge

    $67.99
    MSRP: $81.64
    Save 17%
  • SWC1350-C Cuno Whole House Filter Replacement Cartridge

    SWC1350-C Cuno Whole House Water Filter Cartridge

    $60.99
    MSRP: $81.64
    Save 25%
  • DD-7098 Daewoo Inline Filter

    DD-7098 Daewoo Inline Filter

    $31.89
    MSRP: $40.99
    Save 22%
  • AG2521TF Desal Commercial Reverse Osmosis Membrane

    AG2521TF Desal Commercial Reverse Osmosis Membrane

    $137.29
    MSRP: $203.99
    Save 33%
  • AG4021TF Desal Commercial Reverse Osmosis Membrane

    AG4021TF Desal Commercial Reverse Osmosis Membrane

    $232.99
    MSRP: $270.24
    Save 14%
  • AG4040FF Desal Commercial Reverse Osmosis Membrane

    AG4040FF Desal Reverse Osmosis Membrane

    $319.99
    MSRP: $370.29
    Save 14%
  • AK4040FF Desal Commercial Reverse Osmosis Membrane

    AK4040FF Desal Commercial Reverse Osmosis Membrane

    $329.99
    MSRP: $381.79
    Save 14%
  • CTA-10 Desal Reverse Osmosis Membrane

    CTA-10 Desal Reverse Osmosis Membrane

    $39.99
    MSRP: $48.29
    Save 17%
  • CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    $44.39
    MSRP: $67.99
    Save 35%
  • CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    $46.49
    MSRP: $67.99
    Save 32%
  • GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    GS-10RO-H-38 Desal Reverse Osmosis Carbon Post Filter

    $18.99
    MSRP: $27.99
    Save 32%
  • PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    PW4040C1027 Desal Ultrafiltration Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99
    MSRP: $519.79
    Save 13%
  • TFM-100 Desal Reverse Osmosis Membrane

    TFM-100 Desal Reverse Osmosis Membrane

    $29.99
    MSRP: $32.19
    Save 7%
  • TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    TFM-100EN Desal Encapsulated Reverse Osmosis Membrane

    $57.99
    MSRP: $68.99
    Save 16%
  • TFM-18 Desal Reverse Osmosis Membrane

    TFM-18 Desal Reverse Osmosis Membrane

    $33.99
    MSRP: $39.09
    Save 13%
  • TFM-24 Desal Reverse Osmosis Membrane

    TFM-24 Desal Reverse Osmosis Membrane

    $24.99
    MSRP: $47.14
    Save 47%
  • TFM-36 Desal Reverse Osmosis Membrane

    TFM-36 Desal Reverse Osmosis Membrane

    $39.99
    MSRP: $49.44
    Save 19%
  • TFM-50 Desal Reverse Osmosis Membrane

    TFM-50 Desal Reverse Osmosis Membrane

    $35.89
    MSRP: $48.99
    Save 27%
  • TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-50EB Desal Encapsulated Reverse Osmosis Membrane

    $69.99
    MSRP: $82.79
    Save 15%
  • TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    $46.99
    MSRP: $56.34
    Save 17%
  • TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    TFM-75EB Desal Encapsulated Reverse Osmosis Membrane

    $52.79
    MSRP: $114.99
    Save 54%
  • W9121214 Doulton ATC Super Sterasyl Replacement Element

    W9121214 Doulton ATC Super Sterasyl Ceramic Water Filter

    $25.99
    MSRP: $47.91
    Save 46%
  • W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    $46.99
    MSRP: $54.26
    Save 13%
  • W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    $55.81
    MSRP: $66.48
    Save 16%
  • W9125010 Doulton Specialty Replacement Filter Cartridge
  • W9125030 Doulton Specialty Replacement Filter Cartridge

    W9125030 Doulton Fluoride Reducing Water Filter Cartridge

    $51.99
    MSRP: $59.96
    Save 13%
  • W9142010 Doulton Replacement Ceramic Filter

    W9142010 Doulton Replacement Ceramic Filter

    $15.99
    MSRP: $18.39
    Save 13%
  • W9223002 Doulton Replacement Ceramic Filter

    W9223002 Doulton Slimline Replacement Ceramic Filter

    $53.99
    MSRP: $60.87
    Save 11%
  • W9223026 Doulton Replacement Ceramic Filter
  • W9240001 Doulton Specialty Replacement Filter Cartridge
  • W9240002 Doulton Specialty Replacement Filter Cartridge
  • W9381105 Doulton RIO 2000 Ceramic Multi-Candle Filter Cartridge
  • FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    FXWF-1000 EcoWater Reverse Osmosis Filter Cartridge

    $9.49
    MSRP: $14.99
    Save 37%
  • FXWF-1004 EcoWater Reverse Osmosis Pre-Filter Cartridge

    FXWF-1004 EcoWater Reverse Osmosis Pre-Filter Cartridge

    $14.99
    MSRP: $19.54
    Save 23%
  • BW30-4040 Filmtec Brackish Water Industrial Reverse Osmosis Membrane
  • SW30-2521 Filmtec Seawater Desalination Reverse Osmosis Membrane
  • SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    SW30HR-380 Filmtec Seawater Desalination Reverse Osmosis Membrane

    $999.99
    MSRP: $1,152.29
    Save 13%
  • TW30-1812-100HR Filmtec Reverse Osmosis Membrane (100GPD)

    TW30-1812-100HR Filmtec Reverse Osmosis Membrane (100GPD)

    $39.99
    MSRP: $48.29
    Save 17%
  • TW30-1812-24 Filmtec Reverse Osmosis Membrane

    TW30-1812-24 Filmtec Reverse Osmosis Membrane

    $23.99
    MSRP: $40.24
    Save 40%
  • TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    $44.39
    MSRP: $62.99
    Save 30%
  • TW30-1812-50 Filmtec Reverse Osmosis Membrane

    TW30-1812-50 Filmtec Reverse Osmosis Membrane (50 GPD)

    $25.99
    MSRP: $51.74
    Save 50%
  • TW30-1812-75 Filmtec Reverse Osmosis Membrane
  • TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2026 Filmtec Commercial Reverse Osmosis Membrane

    $158.49
    MSRP: $239.99
    Save 34%
  • TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2521 Filmtec Commercial Reverse Osmosis Membrane

    $188.09
    MSRP: $277.99
    Save 32%
  • TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    TW30-2540 Filmtec Commercial Reverse Osmosis Membrane

    $233.99
    MSRP: $236.34
    Save 1%
  • TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4021 Filmtec Commercial Reverse Osmosis Membrane

    $249.99
    MSRP: $289.79
    Save 14%
  • TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    TW30-4040 Filmtec Commercial Reverse Osmosis Membrane

    $275.99
    MSRP: $312.79
    Save 12%

Items 97 to 144 of 893 total

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