Discount Water Filters and Air Filters at Discount Filter

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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:

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    MSRP: $48.52
    Save 7%


    MSRP: $38.99
    Save 21%
  • MATRIKX-5-20 KX Technologies MatrikX Whole House Filter Replacement Cartridge




  • KDF85-10BB Tier1 Water Filter

    KDF85-10BB Tier1 Water Filter

    MSRP: $86.24
    Save 5%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $19.59 MSRP: $20.00
    Save 2%
  • EP-BB Pentek Replacement Filter Cartridge
  • EPM-20 Pentek Whole House Water Filter

    Pentek EPM-20 Whole House Water Filter Replacement Cartridge

    $12.39 MSRP: $16.55
    Save 25%
  • Pentek EPM-BB Replacement Water Filter Cartridge
  • EP5-10BB Tier1 Carbon Block Water Filter

    EP5-10BB Tier1 Carbon Block Water Filter

    $22.99 MSRP: $26.34
    Save 13%
  • FLOPLUS-10BB Pentek Comparable Whole House Carbon Water Filter by Tier1
  • 22070 Hydrologic Comparable Whole House Carbon Filter by Tier1
  • EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    EP-BB Pentek Comparable Carbon Block Water Filter by Tier1

    $22.99 MSRP: $26.34
    Save 13%
  • DBC-10EX2 Pentek Comparable Water Filter Cartridge Replacement by Tier1


    MSRP: $21.95
    Save 9%
  • KDF55-10BB Tier1 Water Filter

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