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 1 to 48 of 60 total

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  • PCC218 Pentek Replacement Filter Cartridge

    PCC218 Pentek Replacement Filter Cartridge

    $23.99
    MSRP: $26.44
    Save 9%
  • PCF1-10MB Pentek Whole House Filter Replacement Cartridge

    PCF1-10MB Pentek Whole House Filter Replacement Cartridge

    $24.99
    MSRP: $30.69
    Save 19%
  • PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    PCF1-20MB Pentek Whole House Filter Replacement Cartridge

    $42.99
    MSRP: $49.67
    Save 13%
  • PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-1-934 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-25-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-5-30 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-5-30 Pentek Whole House Sediment Filter Cartridge

    $15.99
    MSRP: $16.55
    Save 3%
  • PD-5-40 Pentek Whole House Replacement Sediment Filter Cartridge

    PD-5-40 Pentek Whole House Sediment Filter Cartridge

    $18.99
    MSRP: $24.34
    Save 22%
  • PD-50-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-50-934 Pentek Whole House Filter Replacement Cartridge
  • PS1-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • PS20-10C Pentek Whole House Replacement Sediment Filter Cartridge
  • WP-30 Pentek Whole House Filter Replacement Cartridge

    WP-30 Pentek Whole House Filter Replacement Cartridge

    $6.99
    MSRP: $8.15
    Save 14%
  • WP-5 Pentek Replacement Filter Cartridge

    WP-5 Pentek Replacement Filter Cartridge

    $6.99
    MSRP: $8.84
    Save 21%
  • WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    $34.99
    MSRP: $42.54
    Save 18%
  • WPX100BB20P Pentek Replacement Filter Cartridge
  • 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%
  • 47-55711G2 Water Factory Systems Whole House Replacement Filter Cartridge
  • 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    $51.99
    MSRP: $57.95
    Save 10%
  • BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    $89.99
    MSRP: $144.23
    Save 38%
  • C8 Pentek Whole House Replacement Filter Cartridge
  • CBC-20 Pentek Replacement Filter Cartridge
  • CBC20-BB Pentek Replacement Filter Cartridge
  • CBC-BB Pentek Whole House Filter Replacement Cartridge
  • CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    $12.99
    MSRP: $16.34
    Save 21%
  • CW-50 Pentek Whole House Filter Replacement Cartridge

    CW-50 Pentek Whole House Filter Replacement Cartridge

    $6.99
    MSRP: $10.34
    Save 32%
  • ECP1-20 Pentek Replacement Filter Cartridge

    ECP1-20 Pentek Replacement Filter Cartridge

    $15.99
    MSRP: $17.70
    Save 10%
  • ECP50-10 Pentek Replacement Filter Cartridge

    ECP50-10 Pentek Replacement Filter Cartridge

    $7.99
    MSRP: $8.15
    Save 2%
  • ECP50-20 Pentek Replacement Filter Cartridge

    ECP50-20 Pentek Replacement Filter Cartridge

    $14.99
    MSRP: $17.70
    Save 15%
  • PX05-40 Purtrex Whole House Replacement Sediment Filter Cartridge
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $759.05
    MSRP: $1,009.11
    Save 25%
  • Pentek CHLORPLUS-10 Whole House Water Filter Replacement Cartridge
  • Pentek CW-MF Whole House Water Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    $6.99 MSRP: $10.34
    Save 32%
  • DGD-7525-20 Pentek Whole House Water Filter
  • Pentek ECP1-10 Replacement Water Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $8.99 MSRP: $10.57
    Save 15%
  • Pentek ECP1-20BB Replacement Water Filter Cartridge

    ECP1-20BB Pentek Replacement Filter Cartridge

    $26.99 MSRP: $28.39
    Save 5%
  • Pentek ECP1-BB Replacement Water Filter Cartridge

    Pentek ECP1-BB Water Filter Cartridge Replacement

    $15.99 MSRP: $17.12
    Save 7%
  • Pentek ECP20-20 Replacement Water Filter Cartridge

    ECP20-20 Pentek Replacement Filter Cartridge

    $14.99 MSRP: $15.28
    Save 2%
  • Pentek ECP20-20BB Replacement Water Filter Cartridge

    Pentek ECP20-20BB Pleated Sediment Water Filter Cartridge

    $24.99 MSRP: $28.39
    Save 12%
  • Pentek ECP20-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    $15.99 MSRP: $17.70
    Save 10%
  • ECP5-BB Pentek Whole House Water Filter
  • Pentek ECP50-20BB Replacement Water Filter Cartridge
  • Pentek ECP50-BB Whole House Water Filter Replacement Cartridge
  • Pentek EP-10 Replacement Water Filter Cartridge

    Pentek EP-10 Filter Cartridge Replacement

    $11.99 MSRP: $15.34
    Save 22%
  • Pentek EP-20 Replacement Water Filter Cartridge

    Pentek EP-20 Water Filter Cartridge Replacements

    $17.99 MSRP: $20.00
    Save 10%
  • EP-20BB Pentek Replacement Water Filter

Items 1 to 48 of 60 total

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