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, Tier1, 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.

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  1. CBC-5 Pentek Undersink Filter Replacement Cartridge

    CBC-5 Pentek Undersink Filter Replacement Cartridge

    Fits in compact 5-inch water filter housings Learn More
    $10.29 MSRP:  $15.99
  2. EP-5 Pentek Replacement Filter Cartridge

    EP-5 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 5-inch x 2.5-inch water filter cartridges Learn More
    $7.19 MSRP:  $11.99
  3. RFC-20BB Whole House Filter Replacement Cartridge by Tier1

    RFC-20BB Whole House Filter Replacement Cartridge by Tier1

    Fits most 20X4.5 housings Learn More
    $48.99 MSRP:  $56.99
  4. GAC-BB Whole House Filter Replacement Cartridge by Tier1 (Label and Front View)

    GAC-BB Whole House Filter Replacement Cartridge by Tier1

    Fits most 10X4.5 housings Learn More
    $17.99
  5. Whole Home Salt Free Water Softener System by Tier1

    Series 8000 Whole Home Salt Free Water Softener System by Tier1

    Fits most standard 3/4-inch water lines Learn More

    $699.00

  6. Whole Home Salt Free Water Softener System by Tier1

    Series 10000 Whole Home Salt Free Water Softener System by Tier1

    Fits most standard 3/4-inch water lines Learn More

    $889.05

  7. Whole Home Carbon and KDF Water Purification and Salt Free Water Softening System by Tier1
  8. Whole Home Carbon and KDF Water Purification and Salt Free Water Softening System by Tier1
  9. 10 inch Slim Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit by Tier1 (3/4 inch Inlet/Outlet)
  10. 10 inch Slim PP Filter Housing with Pressure Release and Pleated Filter Kit by Tier1 (3/4 inch Inlet/Outlet)
  11. Series 8000 Whole Home Carbon and KDF + UV Water Purification System by Tier1

    Series 8,000 Whole Home Carbon and KDF + UV Water Purification System by Tier1

    Fits most standard 3/4-inch water lines Learn More

    $1,050.00

  12. Series 10,000 Whole Home Carbon and KDF + UV Water Purification System by Tier1
  13. 10 inch Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit by Tier1 (1 inch Inlet/Outlet)
  14. 10 inch Big PP Filter Housing with Pressure Release and Pleated Filter Kit
  15. 10 inch Big Polypropylene Filter Housing with Pressure Release and Sediment Filter Kit by Tier1 (1 inch Inlet/Outlet)
  16. 20 inch Big Polypropylene Filter Housing with Pressure Release and Carbon Filter Kit by Tier1 (1 inch Inlet/Outlet)
  17. 20 inch Big Polypropylene Filter Housing with Pressure Release and Pleated Filter Kit by Tier1 (1 inch Inlet/Outlet)
  18. 20 inch Big Polypropylene Filter Housing with Pressure Release and Sediment Filter Kit by Tier1 (Kit image)
  19. 20 inch Slim PP Filter Housing with Pressure Release and Carbon Filter Kit by Tier1 (3/4 inch Inlet/Outlet)
  20. 20 inch Slim PP Filter Housing with Pressure Release and Pleated Filter Kit by Tier1 (3/4 inch Inlet/Outlet)
  21. 20 inch Slim PP Filter Housing with Pressure Release and Sediment Filter Kit by Tier1 (3/4 inch Inlet/Outlet)
  22. EP-BB 155548-43 Pentek Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1
  23. DGD-5005 155357-43 Pentek Spun Polypropylene Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1 (10 inches x 4-1/2 inches)
  24. EP-20 155529-43 Pentek Carbon Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1
  25. P5 155014-43 Pentek Spun Polypropylene Filter Cartridge Comparable Replacement Kit with O-ring and Lubricant by Tier1

Items 1 to 25 of 980 total

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