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Water Filtration Systems & Filters

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  1. CMB-520-HF Advanced Water Products 20-inch x 4.5-inch Replacement Sediment Filter

    Advanced Water Products CMB-520-HF Whole House Filter for IHS22-D4 System

    Made for the Trojan UV Max IHS22-D4 Water Disinfection System Learn More
    (Retail Price: $39.97 ) $27.99
  2. P5-20BB Tier1 Whole House 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
    (Retail Price: $27.59 ) $21.99
  3. C2-02 Advanced Water Products 20-inch x 4.5-inch Replacement Carbon Whole House Filter

    C2-02 Advanced Water Products Replacement 20-inch x 4.5-inch Carbon Whole House Filter

    Fits most 20-inch x 4.5-inch filter housings, including the Trojan UV Max IHS12-D4 and IHS22-D4 Water Disinfection Systems Learn More
    (Retail Price: $89.00 ) $54.99
  4. MATRIKX-CTO2-HD20 KX Technologies MatrikX Whole House Filter Replacement Cartridge
  5. 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
    (Retail Price: $26.44 ) $20.99
  6. AP815-2 Aqua-Pure Whole House Filter Replacement Cartridge

    AP815-2 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits Aqua-Pure whole house water filter systems Learn More
  7. 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
    (Retail Price: $42.54 ) $36.99
  8. ECP5-20BB Pentek Whole House Filter Replacement Cartridge
  9. SDC-45-2005 Hydronix Whole House Replacement 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
    (Retail Price: $25.29 ) $21.99
  10. CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    CFB-PLUS20BB Pentek Replacement Water Filter Cartridge

    Fits into most Big Blue water filtration system housings that accept 20-inch x 4.5-inch filter cartridges Learn More
    (Retail Price: $52.89 ) $42.99
  11. CQE-RC-04034 Crystal Quest Reusable Pleated Water Filter Cartridge

    CQE-RC-04034 Crystal Quest Reusable Pleated Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    (Retail Price: $50.59 ) $41.99
  12. P1012581 Culligan Undersink Replacement Filter Cartridge

    P1012581 Culligan Undersink Replacement Filter Cartridge

    Fits the Culligan 201 Under Sink Water Filter System Learn More
  13. 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
    (Retail Price: $74.74 ) $67.99
  14. EP-20BB Pentek Replacement Filter Cartridge
  15. 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
    (Retail Price: $62.09 ) $51.99
  16. AP810-2 Aqua-Pure Whole House Filter Replacement Cartridge

    AP810-2 Aqua-Pure Whole House Filter Replacement Cartridge

    Fits Aqua-Pure whole house water filter systems Learn More
    (Retail Price: $60.94 ) $47.99
  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
    (Retail Price: $29.89 ) $26.99
  18. DGD-5005-20 Pentek Whole House Filter Replacement Cartridge
  19. CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge

    CQE-RC-04036 Crystal Quest Carbon Block Water Filter Cartridge

    Fits Crystal Quest countertop, undersink and refrigerator water filtration systems Learn More
    (Retail Price: $45.99 ) $37.99
  20. 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
    (Retail Price: $36.79 ) $32.99

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