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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, Pentek, Rusco, Culligan and more. Whole house water filter systems are placed on the main water line entering your home, and designed to 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

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  1. 153070 Pentek Filter Housing Sump

    153070 Pentek Filter Housing Sump

    Fits the cap of #20 Big Blue (not clear) housings of any inlet or outlet size Learn More
    $51.99 Retail Price:  $57.95
  2. EP-20 Pentek Replacement Filter Cartridge

    EP-20 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 20-inch x 2.5-inch water filter cartridges Learn More
    $16.99 Retail Price:  $20.00
  3. EP-20BB Pentek Replacement Filter Cartridge

    EP-20BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $45.99 Retail Price:  $47.25
  4. EP-BB Pentek Replacement Filter Cartridge

    EP-BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 10-inch x 4.5-inch water filter cartridges Learn More
    $25.99 Retail Price:  $35.64
  5. EP-10 Pentek Replacement Filter Cartridge

    EP-10 Pentek Replacement Filter Cartridge

    Fits most housings that accept standard 10-inch x 2.5-inch water filter cartridges Learn More
    $8.99 Retail Price:  $11.72
  6. ECP5-BB Pentek Whole House Filter Replacement Cartridge
  7. ECP1-BB Pentek Replacement Filter Cartridge

    ECP1-BB Pentek Replacement Filter Cartridge

    $14.99 Retail Price:  $17.12
  8. ECP20-10 Pentek Replacement Filter Cartridge

    ECP20-10 Pentek Replacement Filter Cartridge

    $7.99 Retail Price:  $9.42
  9. ECP20-20 Pentek Replacement Filter Cartridge

    ECP20-20 Pentek Replacement Filter Cartridge

    $11.29 Retail Price:  $15.28
  10. ECP20-20BB Pentek Replacement Filter Cartridge

    ECP20-20BB Pentek Replacement Filter Cartridge

    $22.99 Retail Price:  $28.39
  11. ECP20-BB Pentek Replacement Filter Cartridge
  12. ECP50-10 Pentek Replacement Filter Cartridge

    ECP50-10 Pentek Replacement Filter Cartridge

    $5.99 Retail Price:  $8.15
  13. ECP50-20 Pentek Replacement Filter Cartridge

    ECP50-20 Pentek Replacement Filter Cartridge

    $13.99 Retail Price:  $17.70
  14. ECP50-20BB Pentek Replacement Filter Cartridge
  15. ECP50-BB Pentek Whole House Filter Replacement Cartridge

    ECP50-BB Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 4 1/2-inch replacement filter cartridges Learn More
    $12.99 Retail Price:  $16.55
  16. ECP5-20 Pentek Replacement Filter Cartridge
  17. RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)

    RFFE20-BB Pentek Iron Reducing Water Filter Cartridge (20 in x 4.5 in)

    Built to fit into 20-inch Big Blue water filtration systems Learn More
    $76.99 Retail Price:  $90.84
  18. ECP1-20BB Pentek Replacement Filter Cartridge

    ECP1-20BB Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $24.99 Retail Price:  $28.39
  19. CHLORPLUS-10 Pentek Whole House Filter Replacement Cartridge
  20. CW-50 Pentek Whole House Filter Replacement Cartridge

    CW-50 Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $4.99 Retail Price:  $7.00
  21. CW-MF Pentek Whole House Filter Replacement Cartridge

    CW-MF Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 9 3/4-inch x 2 1/2-inch replacement filter cartridges Learn More
    $4.99 Retail Price:  $7.00
  22. DGD-7525-20 Pentek Whole House Replacement Sediment Filter Cartridge

    DGD-7525-20 Pentek Whole House Replacement Sediment Filter Cartridge

    Fits most housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $19.59 Retail Price:  $24.83
  23. ECP1-10 Pentek Replacement Filter Cartridge

    ECP1-10 Pentek Replacement Filter Cartridge

    $7.99 Retail Price:  $10.57
  24. CEP-10E Pentek Replacement Filter Cartridge

    CEP-10E Pentek Replacement Filter Cartridge

    Fits most housings that accept 10-inch x 2.5-inch water filter cartridges Learn More
    $11.99 Retail Price:  $12.98
  25. BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    BBF1-20MB Pentek Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 4 1/2-inch filter cartridges Learn More
    $95.99 Retail Price:  $112.23

Items 1 to 25 of 76 total

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