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

Items 193 to 240 of 708 total

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  • WP25BB20P Pentek Whole House Filter Replacement Cartridge

    WP25BB20P Pentek Whole House Filter Replacement Cartridge

    $35.99
    MSRP: $37.82
    Save 5%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB20P Pentek Replacement Filter Cartridge
  • WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    $18.99
    MSRP: $24.14
    Save 21%
  • WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    $19.99
    MSRP: $24.14
    Save 17%
  • WPX5BB97P Pentek Whole House Filter Replacement Cartridge

    WPX5BB97P Pentek Whole House Filter Replacement Cartridge

    $19.99
    MSRP: $20.57
    Save 3%
  • WS-20 Pentek Water Softening Filter

    WS-20 Pentek Water Softening Filter

    $26.99
    MSRP: $35.64
    Save 24%
  • WS-20BB Pentek Whole House Filter Replacement Cartridge

    WS-20BB Pentek Whole House Filter Replacement Cartridge

    $45.99
    MSRP: $52.08
    Save 12%
  • RS14-DS OmniFilter Whole House Filter Replacement Cartridge (2-Pack)
  • RS2-SS OmniFilter Whole House Filter Replacement Cartridge

    RS2-SS OmniFilter Whole House Water Filter Cartridge

    $6.99
    MSRP: $8.04
    Save 13%
  • RS3-SS OmniFilter Whole House Filter Replacement Cartridge
  • RS7-SS OmniFilter Whole House Filter Replacement Cartridge
  • KDF55-20 Tier1 Replacement Filter Cartridge

    KDF55-20 Tier1 Replacement Filter Cartridge

    $55.05
    MSRP: $93.34
    Save 41%
  • SED-100DM Tier1 Metered Sediment Reduction Backwash Water Filter System
  • 47-55702G2 Water Factory Systems Whole House Replacement Sediment Filter Cartridge
  • 47-55706G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • 47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • FPIR-BB-20 Watts Whole House Replacement Filter Cartridge
  • FPMB-BB20-10 Watts Flo-Pro Whole House Replacement Filter Cartridge
  • FPMB20-20 Watts Flo-Pro Whole House Replacement Filter Cartridge
  • MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge
  • WHKF-DWHBB Whirlpool Filter Housing with Pressure Relief Valve - Clear
  • WHKF-WHPL Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • WHKF-WHSW Whirlpool Whole House Replacement Sediment Filter Cartridge (2-Pack)
  • PLEKX-10-10 KX Technologies PlekX Whole House Filter Replacement Cartridge
  • 01-250-125-050 KX Technologies Replacement Filter Cartridge
  • BF7-S-05 OmniFilter Undersink Filter System

    BF7-S-05 OmniFilter Undersink Water Filtration System

    $57.05
    MSRP: $82.79
    Save 31%
  • OT32-S-05 OmniFilter Whole House Filter System

    OT32-S-05 OmniFilter Undersink Water Filtration System

    $112.99
    MSRP: $132.24
    Save 15%
  • RS15 OmniFilter Whole House Replacement Filter Cartridge
  • RS16 OmniFilter Whole House Replacement Filter Cartridge
  • RS2DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • RS3DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • TO1DS OmniFilter Whole House Replacement Filter Cartridge (2-Pack)
  • TO8 OmniFilter Whole House Replacement Filter Cartridge
  • U25 OmniFilter Whole House Water Filter System

    OmniFilter U25 Whole House Water Filtration System

    $48.99
    MSRP: $58.64
    Save 16%
  • U30 OmniFilter Whole House Water Filter System

    U30 OmniFilter Whole House Water Filtration System

    $68.99
    MSRP: $81.64
    Save 15%

Items 193 to 240 of 708 total

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