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 25 of 29 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
  1. SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2050 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 4.5-inch filters Learn More
    $19.99 MSRP:  $28.99
  2. Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge

    SDC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More

    As Low As $18.66 Per Filter

  3. Pentek ECP1-BB Replacement Water Filter Cartridge

    Pentek ECP1-BB Water Filter Cartridge Replacement

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $12.83 Per Filter

  4. Pentek ECP20-BB Replacement Water Filter Cartridge

    ECP20-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More

    As Low As $11.39 Per Filter

  5. ECP5-BB Pentek Whole House Water Filter

    Pentek ECP5-BB Whole House Water Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $10.99 Per Filter

  6. SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    SDC-45-2010 Hydronix Comparable Sediment Water Filter by Tier1

    Fits standard filter housings using 20 x 4.5-inch filters Learn More

    As Low As $13.00 Per Filter

  7. HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1 (alternate)

    HB-20-20W Harmsco Comparable Whole House Sediment Water Filter by Tier1

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $0.00 Per Filter

  8. 22010 Hydrologic Comparable Whole House Water Filter by Tier1

    22010 Hydrologic Comparable Whole House Water Filter by Tier1

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $0.00 Per Filter

  9. SPC-45-2020 Hydronix Comparable Whole House Water Filter by Tier1 (alternate)

    SPC-45-2020 Hydronix Comparable Whole House Water Filter by Tier1

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More

    As Low As $0.00 Per Filter

  10. SPC-45-2020 Hydronix Comparable Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron) by Tier1

    SPC-45-2020 Hydronix Comparable Pleated Sediment Water Filter (20 in x 4.5 in, 20 Micron) by Tier1

    Fits into systems that use the Liquatec SPF-45-2020, Pentek 255495-43 and Watts FM-BB-20-20 water filters Learn More
    $18.99 MSRP:  $32.99
  11. Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Hydronix SDC-25-4005 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $11.99 MSRP:  $13.56
  12. Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Hydronix SDC-25-4025 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size fits many standard size filter housings Learn More
    $12.99 MSRP:  $14.34
  13. Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Hydronix SDC-25-4075 Polypropylene Sediment Filter

    Standard 40 inch by 2.5 inch size and double open end design fits many common filter housings. Also available in a variety of micron ratings and end cap styles. Learn More
    $12.99 MSRP:  $14.34
  14. W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge

    W20CLHD American Plumber Whole House Heavy Duty Filter Cartridge

    Fits American Plumber W10-PR and W15-PR and most other heavy duty water filter housings Learn More
    $17.99
  15. CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge

    CP5-BBS-D Culligan Level 4 Whole House Filter Replacement Cartridge

    Fits Culligan HD-950, and any brand of whole house water filter system that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More
    $17.99
  16. WP10BB97P Pentek Whole House Filter Replacement Cartridge

    WP10BB97P Pentek Whole House Filter Replacement Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $19.99
  17. WPX100BB97P Pentek Replacement Filter Cartridge

    WPX100BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $18.99 MSRP:  $24.14
  18. WPX50BB97P Pentek Replacement Filter Cartridge

    WPX50BB97P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $19.99 MSRP:  $24.14
  19. FS-1-30SS Rusco Spin-Down Steel Replacement Water Filter

    FS-1-30SS Rusco Spin-Down Steel Replacement Water Filter

    30 mesh, 533 micron and built to fit a 1-inch pipe Learn More
    $16.99 MSRP:  $26.44
  20. FS-1-30STSS Rusco Sediment Trapper Steel Replacement Filter

    FS-1-30STSS Rusco Sediment Trapper Steel Replacement Filter

    30 mesh, 533 micron and built to fit a 1-inch pipe Learn More
    $17.99 MSRP:  $33.34
  21. FS-1-40 Rusco Spin-Down Polyester Replacement Water Filter

    FS-1-40 Rusco Spin-Down Polyester Replacement Water Filter

    40 mesh, 381 micron and built to fit a 1-inch pipe Learn More
    $11.99 MSRP:  $19.54
  22. FS-1-500ST Rusco Replacement Polyester Sediment Trapper Filter

    FS-1-500ST Rusco Replacement Polyester Sediment Trapper Filter

    500 mesh, 30 micron and built to fit a 1-inch pipe Learn More
    $14.99 MSRP:  $21.84
  23. FS-1-60STSS Rusco Replacement Steel Sediment Trapper Filter

    FS-1-60STSS Rusco Replacement Steel Sediment Trapper Filter

    60 mesh, 254 micron and built to fit a 1-inch pipe Learn More
    $17.99 MSRP:  $33.34
  24. FS-3/4-100 Rusco Replacement Spin-Down Polyester Water Filter

    FS-3/4-100 Rusco Replacement Spin-Down Polyester Water Filter

    100 mesh, 152 micron and built to fit a .75-inch pipe Learn More
    $11.99 MSRP:  $19.54
  25. FS-3/4-100STSS Rusco Replacement Steel Sediment Trapper Filter

    FS-3/4-100STSS Rusco Replacement Steel Sediment Trapper Filter

    100 mesh, 152 micron and built to fit a .75-inch pipe Learn More
    $18.99 MSRP:  $31.04

Items 1 to 25 of 29 total

Page:
  1. 1
  2. 2

Grid  List 

Set Descending Direction
Scroll To Top