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 274 total

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

Grid  List 

Set Descending Direction
  1. AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    AF-20-2015-BB Tier1 Aries Comparable KDF and Carbon Water Filter

    Fits water filtration systems that accept 20 x 4.5 inch cartridges, including the #20 Big Blue and Big Boy housings by Pentek Learn More
    $89.99 MSRP:  $119.99
  2. F-20-2215 Aries Polypropylene Sediment Water Filter Replacement by Tier1
  3. AF-20-3690-BB Aries Replacement Whole House Fluoride Removal Filter

    AF-20-3690-BB Aries Whole House Fluoride Removal Filter

    Fits most housings that accept 20 inch x 4.5 filter cartridges Learn More
    $126.05 MSRP:  $171.99
  4. WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    WFHD13001B DuPont Universal Heavy Duty Whole House Filtration System

    Fits standard 10 inch by 4.5 inch filter cartridges Learn More
    $62.99 MSRP:  $79.96
  5. WFCH2 DuPont Complete Home Water Filtration Kit

    WFCH2 DuPont Complete Home Water Filtration Kit

    For complete house filtration Learn More
    $70.99 MSRP:  $98.77
  6. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (6-Pack)

    Fits most standard 10-inch housings Learn More

    $96.99

  7. W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  8. Aries AF-10-2054 Coconut Granular Activated Carbon

    Aries AF-10-2054 Coconut Granular Activated Carbon

    Fits systems that take 10 x 2-1/2 inch replacements Learn More
    $75.99 MSRP:  $91.99
  9. EP-20BB Pentek Replacement Water Filter

    EP-20BB Pentek Replacement Filter Cartridge

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

    As Low As $63.08 Per Filter

  10. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  11. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (12-Pack)
  12. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (12-Pack)

    Fits most 10 x 4.5-inch filter housings Learn More

    $181.99

  13. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  14. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  15. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (4-Pack)
  16. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (6-Pack)
  17. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (4-Pack)

    Fits most 10 x 4.5-inch filter housings Learn More

    $67.99

  18. ECP5-BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)
  19. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    ECP5-20 Pentek Comparable Whole House Sediment Water Filter by Tier1 (25-Pack)

    Fits most 20 x 5-inch filter housings Learn More

    (Retail Price: $531.99 ) $449.99

  20. EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (25-Pack)

    EPM-BB Pentek Comparable Whole House Water Filter by Tier1 (25-Pack)

    Fits most 10 x 4.5-inch filter housings Learn More

    (Retail Price: $397.00 ) $335.99

  21. CW-MF Pentek Comparable Whole House Sediment Water Filter by Tier1
  22. KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1

    KX-MATRIKX-1-HD20 Technologies MatrikX Whole House Carbon Filter By Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  23. MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1

    MATRIKX-5-HD20 KX Technologies MatrikX Comparable Whole House Carbon Filter by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  24. FLOPLUS-20BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    FLOPLUS-20BB Pentek Comparable Whole House Carbon Water Filter by Tier1

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More

    As Low As $0.00 Per Filter

  25. PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1

    PB1-HD20 KX Matrikx Comparable Whole House Carbon Water Filter by Tier1

    Fits water filtration systems that accept 20 x 4.5 inch cartridges, including the #20 Big Blue and Big Boy housings by Pentek Learn More

Items 1 to 25 of 274 total

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

Grid  List 

Set Descending Direction
Scroll To Top