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Whole House Water Filter Replacements

Get improved taste and clarity from just about every faucet around the home with a new whole house water filter cartridge.

Below you’ll find a variety of whole house water filter cartridges with a broad range of filter life’s, flow rates, micron ratings, and filter medias. Therefore, no matter what type of whole house water filter system you have or what type of whole house water filter cartridge you’re looking for, you’ll find a water filter cartridge designed to fit both your needs and your system.

Choose from over 400+ OEM whole house water filter cartridges in stock, from some of the industry’s top manufacturers, many of which are versatile and designed to fit into a variety of other whole house water filter systems. See all of our whole house water filter products.

For added protection and even cleaner, consider adding a reverse osmosis water filter system or a UV water purification system to your existing whole house water filter line.

23 Item(s)

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  1. EP5-20BB Tier1 Carbon Block Water Filter

    EP5-20BB Tier1 Carbon Block Water Filter

    Fits filtration system housings that accepts 20 x 4.5 inch cartridges Learn More
    $40.99 Retail Price:  $62.09
  2. ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    ECP5-20BB Pentek Comparable Whole House Sediment Water Filter by Tier1

    Fits most 20 x 5-inch filter housings Learn More
    $23.99 Retail Price:  $29.99
  3. SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    SWC-45-2005 Hydronix String-Wound Sediment Water Filter

    20 inches by 4.5 inches, 5 micron. Fits into most 20-inch Big Blue water filtration housings and replaces Liquatec SWF-45-2005, Pentek 355223-43 and Watts SF5-20-425 water filters Learn More
    $25.99 Retail Price:  $26.44
  4. DGD-5005-20 Pentek Whole House Water Filter

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More

    As Low As $14.30 Per Filter

  5. 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 $20.99 Per Filter

  6. ECP5-20BB Pentek Whole House Filter Replacement Cartridge (6-Pack)

    ECP5-20BB Pentek Whole House Filter Replacement Cartridge (6-Pack)

    Fits Pentek 20-inch Big Blue and any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    $132.99

  7. P5-20BB Tier1 Sediment Water Filter

    P5-20BB Tier1 Whole House Sediment Water Filter

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

    As Low As $15.33 Per Filter

  8. ECP5-20BB Pentek Whole House Filter Cartridge

    ECP5-20BB Pentek Whole House Filter Replacement Cartridge

    Fits Pentek 20-inch Big Blue and any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More

    As Low As $22.17 Per Filter

  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 $41.67 Per Filter

  10. P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)

    P5-20BB Tier1 Whole House Sediment Water Filter (2-Pack)

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

    $34.99

  11. P5-20BB Tier1 Whole House Sediment Water Filter (6-Pack)

    P5-20BB Tier1 Whole House Sediment Water Filter (6-Pack)

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

    $91.99

  12. C2-02 Viqua Carbon Whole House Filter

    C2-02 Viqua Carbon Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS12-D4 and IHS22-D4 water disinfection systems. Learn More
    $54.99 Retail Price:  $89.00
  13. CMB-520-HF Viqua Sediment Whole House Filter

    CMB-520-HF Viqua Sediment Whole House Filter

    Fits most 20 x 4.5-inch filter housings including the Viqua IHS22-D4 water disinfection system Learn More
    $27.99 Retail Price:  $39.00
  14. DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (50-Pack)

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (50-Pack)

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More

    $714.99

  15. DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    DGD-5005-20 Pentek Whole House Filter Replacement Cartridge (6-Pack)

    Fits Pentek 20-inch Big Blue and other heavy-duty filter housings Learn More

    $121.99

  16. Hydronix SDC-45-2005 Whole House Sediment Filter Cartridge (6-Pack)

    SDC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge (6-Pack)

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

    $112.99

  17. SPC-45-2005 Hydronix Whole House Replacement Sediment Filter Cartridge

    SPC-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
    $22.99 Retail Price:  $29.89
  18. HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge

    HB-20-5W Harmsco Calypso Blue Replacement Filter Cartridge

    Fits any industry standard housing that accepts 4.5-inch by 20-inch replacement filters. Learn More
    $32.99 Retail Price:  $36.79
  19. 3M Aqua-Pure AP810-2 Whole House Water Filter Cartridge

    AP810-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
    $54.99 Retail Price:  $60.94
  20. 3M Aqua-Pure AP815-2 Whole House Water Filter

    AP815-2 3M Aqua-Pure Whole House Filter Replacement Cartridge

    Fits 3M Aqua-Pure whole house water filter systems Learn More
  21. MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge

    Fits any standard housing that uses 20-inch x 4 1/2-inch replacement filter cartridges Learn More
    $70.99
  22. MAXETW-FF20 Watts C-MAX Whole House Replacement Filter Cartridge

    MAXETW-FF20 Watts C-MAX Whole House Water Filter Cartridge

    Fits 20-inch x 4.5-inch water filtration system housings Learn More
    $70.99 Retail Price:  $74.74
  23. WP5BB20P Pentek Replacement Filter Cartridge

    WP5BB20P Pentek Replacement Filter Cartridge

    Fits most Big Blue housings that accept 20-inch x 4.5-inch water filter cartridges Learn More
    $35.99 Retail Price:  $42.54

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