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 52 total

Page:
  1. 1
  2. 2
  3. 3

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. CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    CW-50 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 2.5-inch housings Learn More
    $4.99 MSRP:  $9.99
  3. R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More
    $14.99 MSRP:  $17.34
  4. W50PEHD American Plumber Comparable Whole House Water Filter by Tier1

    W50PEHD American Plumber Comparable Whole House Water Filter by Tier1

    Fits most 10 x 4.5 inch filter housings Learn More
    $16.99 MSRP:  $22.99

    Out of stock

  5. AP-GRMB-50PP-20UB Whole House Water Filter Replacement Cartridge

    3M Aqua-Pure AP-GRMB-50PP-20UB Whole House Water Filter Replacement

    Fits most standard 20 inch x 2 1/2 inch housings Learn More
    $11.99 MSRP:  $14.34
  6.  WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge

    WB-HB-20-50W Harmsco Pleated Commercial Water Filter Cartridge

    Fits most standard 20 x 4.5-inch filter housings Learn More
    $29.59 MSRP:  $39.99
  7. W50PEHD American Plumber Comparable Filter by Tier1 (6-Pack)
  8. Culligan R50_BBSA_D Sediment Whole House 6-Pack Water Filters

    Culligan R50_BBSA_D Sediment Whole House 6-Pack Water Filters

    Fits into the Culligan HD-950 whole house water filtration system and any other brand of filtration systems that uses standard 9 3/4 x 4 1/2 filter cartridges Learn More

    $99.99

  9. SDC-45-1050 Hydronix Pleated Water Filter

    SPC-45-1050 Hydronix Polypropylene Spun Water Filter

    9 7/8 inches by 4.5 inches, 50 micron, fits systems that use American Plumber WW50PEHD, Liquatec SPF-45-1050, Pentek 255492-43, Pentek 155053-43, Pentek R50-BB and Watts FM-BB-10-50 water filters Learn More

    As Low As $11.66 Per Filter

  10. SPC-45-2050 Hydronix Pleated Sediment Water Filter

    SPC-45-2050 Hydronix Pleated Sediment Water Filter (20 in x 4.5 in, 50 Micron)

    Fits into systems that use the Liquatec SPF-45-2050, Pentek 255496-43 and Watts FM-BB-50-20 water filters Learn More

    As Low As $21.67 Per Filter

  11. Pentek ECP50-20BB Replacement Water Filter Cartridge

    ECP50-20BB 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 $22.67 Per Filter

  12. Pentek ECP50-BB Whole House Water Filter Replacement Cartridge

    Pentek ECP50-BB Pleated Sediment 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 $19.66 Per Filter

  13. W50PEHD American Plumber Comparable Whole House Water Filter by Tier1
  14. AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    AQUA-PURE-AP124-2C Polypropylene Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  15. AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    AP-GRMB-50PP-20UB 3M Aqua-Pure Comparable Whole House Sediment Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  16. SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    SDC-25-2050 Hydronix Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  17. GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    GX50-20 Hytrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  18. PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    PD-50-20 Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  19. PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    PX75-20 Purtrex Comparable Whole House Sediment Water Filter by Tier1

    Fits standard 20 inch x 2.5 inch filter housings Learn More

    As Low As $0.00 Per Filter

  20. R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    R50-BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most standard 10 x 5-inch housings Learn More

    As Low As $10.40 Per Filter

  21. ECP50-20BB Pentek Comparable Replacement Filter Cartridge by Tier1

    ECP50-20BB Pentek Comparable Replacement Filter Cartridge by Tier1

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

    As Low As $37.99 Per Filter

  22. Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Hydronix SDC-25-4050 Polypropylene Sediment Filter

    Standard 50 inch by 2.5 inch size fits many standard size filter housings Learn More
    $12.99 MSRP:  $14.34
  23. W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50PE American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $16.99 MSRP:  $18.39
  24. W50PEHD American Plumber Whole House Heavy Duty Filter Cartridge

    W50PEHD 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
    $23.99 MSRP:  $27.34
  25. W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    W50W American Plumber Whole House Sediment Filter Cartridge (2-Pack)

    Fits American Plumber W34-PR, WC34-PR and WVC34 and most standard size water filter housings Learn More
    $13.99 MSRP:  $17.34

Items 1 to 25 of 52 total

Page:
  1. 1
  2. 2
  3. 3

Grid  List 

Set Descending Direction
Scroll To Top