Discount Water Filters and Air Filters at Discount Filter Store.com

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

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

Clear All
Compare

Items 1 to 48 of 354 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
  • 3M Aqua-Pure AP110-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP110-2C Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP110-3 Whole House Water Filter

    AP110-3 3M Aqua-Pure Replacement Water Filter Cartridge

    $29.99
    MSRP: $34.49
    Save 13%
  • 3M Aqua-Pure AP810 Whole House Water Filter Cartridge

    3M Aqua-Pure AP810 Whole House Filter Replacement Cartridge

    $33.99
    MSRP: $46.64
    Save 27%
  • 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge
  • 3M Aqua-Pure AP811 Whole House Water Filter Cartridge

    AP811 3M Aqua-Pure Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $43.69
    Save 15%
  • 3M Aqua-Pure AP811-2 Whole House Water Filter
  • 3M Aqua-Pure AP814 Whole House Water Filter
  • 3M Aqua-Pure AP814-2 Whole House Water Filter
  • CFS9112 Cuno Whole House Filter Replacement Cartridge

    CFS9112 Cuno Whole House Filter Replacement Cartridge

    $62.99
    MSRP: $71.29
    Save 12%
  • CFS9720 Cuno Whole House Filter Replacement Cartridge

    CFS9720 Cuno Whole House Filter Replacement Cartridge

    $49.99
    MSRP: $61.97
    Save 19%
  • 4WH-HDGR-F01 Filtrete Replacement Filter Cartridge

    4WH-HDGR-F01 3M Filtrete Water Filter Cartridge

    $18.99
    MSRP: $19.54
    Save 3%
  • 4WH-QS-F01 Filtrete Replacement Filter Cartridge

    4WH-QS-F01 3M Filtrete Replacement Water Filter

    $59.99
    MSRP: $82.79
    Save 28%
  • 4WH-STDGR-F02 Filtrete Replacement Filter Cartridge (2-Pack)
  • 22105 Hydrologic SmallBoy Sediment Filter

    22105 Hydrologic SmallBoy Sediment Filter

    $8.99
    MSRP: $12.06
    Save 25%
  • 22140 Hydrologic TallBoy Sediment Filter

    22140 Hydrologic TallBoy Sediment Filter

    $9.99
    MSRP: $13.79
    Save 28%
  • SDC-25-2005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-2020 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-25-3005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1001 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1005 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-1010 Hydronix Whole House Replacement Sediment Filter Cartridge
  • SDC-45-2050 Hydronix Whole House Replacement Sediment Filter Cartridge
  • P1-30 Pentek Whole House Replacement Sediment Filter Cartridge

    P1-30 Pentek Whole House Sediment Water Filter

    $13.99
    MSRP: $14.13
    Save 1%
  • P5-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-1-20 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-1-40 Pentek Whole House Replacement Sediment Filter Cartridge
  • PD-25-30 Pentek Whole House Replacement Sediment Filter Cartridge
  • 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
  • WP10BB97P Pentek Whole House Filter Replacement Cartridge
  • WP1BB20P Pentek Whole House Filter Replacement Cartridge

    WP1BB20P Pentek Whole House Filter Replacement Cartridge

    $36.99
    MSRP: $39.55
    Save 6%
  • WP1BB97P Pentek Replacement Filter Cartridge
  • 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
  • PX01-20 Purtrex Replacement Filter Cartridge

    PX01-20 Purtrex Replacement Water Filter Cartridge

    $7.99
    MSRP: $10.34
    Save 23%
  • PX05-20 Purtrex Replacement Water Filter

    PX05-20 Purtrex Replacement Water Filter

    $4.99
    MSRP: $9.19
    Save 46%
  • PX10-20 Purtrex Replacement Filter Cartridge

    PX10-20 Purtrex Replacement Water Filter

    $6.99
    MSRP: $9.19
    Save 24%
  • PX20-20 Purtrex Replacement Filter Cartridge

    PX20-20 Purtrex Replacement Water Filter

    $10.99
    MSRP: $14.99
    Save 27%
  • PX30-20 Purtrex Replacement Water Filter Cartridge

    PX30-20 Purtrex Replacement Water Filter Cartridge

    $6.89
    MSRP: $9.19
    Save 25%
  • PX30-9-78 Purtrex Replacement Filter Cartridge

    PX30-9-78 Purtrex Replacement Water Filter Cartridge

    $4.09
    MSRP: $9.99
    Save 59%
  • PX50-9-78 Purtrex Replacement Filter Cartridge

    PX50-9-78 Purtrex Replacement Water Filter

    $5.09
    MSRP: $10.99
    Save 54%
  • PX75-20 Purtrex Replacement Filter Cartridge

    PX75-20 Purtrex Replacement Water Filter Cartridge

    $10.99
    MSRP: $14.99
    Save 27%

Items 1 to 48 of 354 total

Page:
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Grid  List 

Set Descending Direction
Scroll To Top