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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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  1. C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS12-D4 and IHS22-D4 water disinfection systems. Learn More
    $49.99 MSRP:  $89.00
  2. EPM-20BB Pentek Whole House Filter Cartridge

    EPM-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More

    As Low As $43.66 Per Filter

  3. GAC20-BB Pentek Whole House Water Filter

    GAC20-BB Pentek Whole House Filter Replacement Cartridge

    Fits any heavy duty housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $0.00 Per Filter

  4. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  5. EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $45.83 Per Filter

  6. CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1

    CB6 OmniFilter Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  7. KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    KX-MATRIKX-1-HD10 KX Matrikx Comparable Whole House Carbon Water Filter By Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  8. FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 10 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  9. MATRIKX-CTO2-HD20 KX Technologies MatrikX Comparable Whole House Filter Replacement Cartridge by Tier1

    MATRIKX-CTO2-HD20 KX Technologies MatrikX Comparable Whole House Filter Replacement Cartridge by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  10. MAXETW-FF20 Watts Comparable C-MAX Whole House Water Filter Cartridge by Tier1

    MAXETW-FF20 Watts Comparable C-MAX Whole House Water Filter Cartridge by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  11. CB-45-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1

    CB-45-2010 Hydronix Comparable Replacement Filter Cartridge by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  12. RWC-5 American Plumber Undersink Filter Replacement Cartridge

    RWC-5 American Plumber Undersink Filter Replacement Cartridge

    Fits most standard size water filter housings Learn More
  13. 3M Aqua-Pure AP817 Whole House Water Filter Cartridge

    AP817 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $48.99
  14. CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

    CQE-RC-04002 Crystal Quest PLUS Multi-Stage Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $49.49 MSRP:  $66.99
  15. CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    CQE-RC-04049 Crystal Quest Fluoride Multi Replacement Filter Cartridge

    Fits most standard housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $43.99 MSRP:  $66.69
  16. HD-950 Culligan Whole House Filter System
  17. CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    Fits any filtration system that uses the Cuno 9000 Series Replacement Cartridges or the Everpure QL Series filter heads Learn More
    $49.99 MSRP:  $61.97
  18. CTA-16 Desal Reverse Osmosis Membrane

    CTA-16 Desal Reverse Osmosis Membrane

    Fits 10 gallon per day reverse osmosis systems from various brands Learn More
    $44.39 MSRP:  $67.99
  19. CTA-16-C Desal Reverse Osmosis Membrane

    CTA-16-C Desal Reverse Osmosis Membrane

    Fits Culligan 16 gallon per day reverse osmosis systems Learn More
    $46.49 MSRP:  $67.99
  20. TFM-75 Desal Reverse Osmosis Membrane

    TFM-75 Desal Reverse Osmosis Membrane

    Fits select reverse osmosis systems Learn More
    $46.99 MSRP:  $56.34
  21. W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    Fits all Doulton short mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $41.00 MSRP:  $60.21
  22. W9123019 Doulton UltraCarb SI Replacement Element

    W9123019 Doulton UltraCarb SI Ceramic Filter Candle

    Fits all Doulton Short Mount Countertop, Undersink and Inline Water Filtration Systems Learn More
    $41.00 MSRP:  $66.48
  23. TW30-1812-36 Filmtec Reverse Osmosis Membrane

    TW30-1812-36 Filmtec Reverse Osmosis Membrane

    Fits 36 gallon per day reverse osmosis systems from various brands Learn More
    $44.39 MSRP:  $62.99
  24. TW30-1812-75 Filmtec Reverse Osmosis Membrane

    TW30-1812-75 Filmtec Reverse Osmosis Membrane

    Fits 75 gallon per day reverse osmosis systems from various brands Learn More
  25. FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    FXHTC GE SmartWater Whole House Filter Replacement Cartridge

    Fits any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $40.99 MSRP:  $49.99

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