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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38 Item(s)

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  • EP15 3M Aqua-Pure Whole House Water Filter

    EP15 3M Aqua-Pure Whole House Water Filter Cartridge

    $69.99
    MSRP: $82.79
    Save 15%
  • AQUAPURE-EP25

    AQUAPURE-EP25

    $91.99
    MSRP: $111.54
    Save 18%
  • W9122021 Doulton SuperCarb Replacement Element

    W9122021 Doulton SuperCarb Replacement Ceramic Water Filter

    $37.00
    MSRP: $54.26
    Save 32%
  • W9222909 Doulton Imperial SuperCarb OBE Replacement Element
  • WATTS-MAXETW-FF20

    WATTS-MAXETW-FF20

    $68.99
    MSRP: $74.74
    Save 8%
  • WATTS-WQCCC11

    WATTS-WQCCC11

    $17.99
  • AQUA-PURE-AP510

    AQUA-PURE-AP510

  • GAC20-BB Pentek Replacement Granular Activated Carbon Filter by Tier1
  • DuPont WFQTR130004 Quick Twist Refrigerator/Icemaker Filter System
  • PENTEK_CHLORPLUS_10_FILTER

    PENTEK_CHLORPLUS_10_FILTER

    $19.99 MSRP: $21.95
    Save 9%
  • PENTEK_NCP_20BB_FILTER

    PENTEK_NCP_20BB_FILTER

    $34.99 MSRP: $48.81
    Save 28%
  • TIER1_EP5_10BB_FILTER

    TIER1_EP5_10BB_FILTER

    $22.99 MSRP: $26.34
    Save 13%
  • NFS-AMERICAN-PLUMBER-WRC25HD20
  • NFS-PENTEK-GAC20-BB

    NFS-PENTEK-GAC20-BB

    $62.99
  • NFS-AQUAPURE-AP817-2

    NFS-AQUAPURE-AP817-2

    $62.99
  • NFS-PENTEK-RFC20-BB

    NFS-PENTEK-RFC20-BB

    $45.99 MSRP: $56.99
    Save 19%
  • NFS-FILTREX-FXB20RFL

    NFS-FILTREX-FXB20RFL

    $62.99
  • NFS-PENTEK-EP-BB

    NFS-PENTEK-EP-BB

    $22.99 MSRP: $26.34
    Save 13%
  • NFS-PENTEK-DBC-10EX2

    NFS-PENTEK-DBC-10EX2

    $22.99 MSRP: $26.34
    Save 13%
  • 100186 Amway eSpring Replacement Filter Cartridge
  • 110194 Amway eSpring Replacement Filter Cartridge
  • AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    AF-10-3690 Aries Replacement Fluoride Filter Cartridge

    $28.99
    MSRP: $32.19
    Save 10%
  • CB1 OmniFilter Undersink Filter Replacement Cartridge

    CB1-SS6-S06 OmniFilter Undersink Water Filter Cartridge

    $34.99
    MSRP: $47.99
    Save 27%
  • CQE-RC-04051 Crystal Quest Arsenic Multi Replacement Filter Cartridge
  • D-20A Culligan Level 1 Undersink Water Filter Replacement Cartridge
  • D-30 Culligan Level 2 Undersink Filter Replacement Cartridge
  • RO-4040 Desal Duraslick Reverse Osmosis Membrane

    RO-4040 Desal Duraslick Reverse Osmosis Membrane

    $449.99
    MSRP: $519.79
    Save 13%
  • W9122190 Doulton SuperCarb SI Replacement Element

    W9122190 Doulton SuperCarb SI Ceramic Water Filter

    $41.00
    MSRP: $60.21
    Save 32%
  • GAC1SS OmniFilter Series C Undersink Filter Replacement Cartridge
  • P-250 Pentek Undersink Filter Set

    P-250 Pentek Undersink Filter Set

    $33.99
    MSRP: $44.99
    Save 24%
  • TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    TSGAC-10 Pentek Undersink Filter Replacement Cartridge

    $20.99
    MSRP: $24.60
    Save 15%
  • WHKF-DB1 Whirlpool Undersink Replacement Filter Cartridge
  • Whirlpool WHKF-GAC Undersink Replacement Water Filter Cartridge

    WHKF-GAC Whirlpool Undersink Replacement Filter Cartridge

    $14.99
    MSRP: $20.99
    Save 29%
  • AF-10-3695 Aries Arsenic Removal Water Filter

    AF-10-3695 Aries Arsenic Removal Water Filter

    $57.99
    MSRP: $77.04
    Save 25%
  • FM-1500-DWS Water Factory Systems Drinking Water Filtration System
  • CK5715-P Omnipure Water Filter Cartridge

    CK5715-P Omnipure Water Filter Cartridge

    $35.99
    MSRP: $43.69
    Save 18%
  • CB1-10 Pentek Carbon Block Water Filter Replacement

    CB1-10 Pentek Carbon Block Water Filter Replacement

    $15.39
    MSRP: $23.99
    Save 36%
  • 06-250-125-050 KX Technologies Whole House Replacement Filter Cartridge

38 Item(s)

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