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

Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s) - $0.00
You have no items in your shopping cart.

FREE SHIPPING on orders over $39

Water Filter System Parts & Accessories

21 Item(s)

Grid  List 

Set Descending Direction
  1. SH144229 Pentek Big Blue Water Filter Cartridge Coupler

    SH144229 Pentek Big Blue Water Filter Cartridge Coupler

    Works with 4.5 inch water filter cartridges from Pentek, Culligan, Ametek, Kleen-Plus, Bruner, Plymouth Products, US Filter and American Plumber Learn More
    $2.99
  2. RV-BYP-EZ Culligan RV Bypass Fitting Adapter

    RV-BYP-EZ Culligan RV Bypass Fitting Adapter

    Fits Culligan Easy-Change filter systems including RV-EZ-1, RV-EZ-2, and RV-EZ-4 Learn More
    $11.39
  3. FVK-100 Culligan Inline Water Filter Flush Valve Kit

    FVK-100 Culligan Inline Water Filter Flush Valve Kit

    Fits Culligan in-line refrigerator filters including IC-750 and IC-1000 Learn More
    $14.99
  4. BF-34 Culligan Brass Fitting Kit

    BF-34 Culligan Brass Fitting Kit

    Fits 1/2-inch and 3/4-inch pipe Learn More
    $12.59
  5. 2WB-SS Tier1 Double Filter Housing Mounting Bracket - Clear / Blue
  6. 244047 Pentek Slim Line Filter Housing L Shaped Mounting Bracket
  7. IC-MB Culligan IC-100 Mounting Bracket
  8. UB-1 Culligan Whole House Filter Mounting Bracket
  9. 3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    3WB-SS Tier1 Triple Filter Housing Mounting Bracket

    Regular Price: $39.99

    Special Price: $26.05

  10. WBA Culligan Whole House Filter Mounting Bracket

    WBA Culligan Whole House Filter Mounting Bracket

    Fits Culligan, Ametek, Pentek, and other brands of 10-inch and 20-inch Big Blue and Big Clear filter housings Learn More
    $20.99
  11. OR-34A Culligan Whole House Filter O-Ring

    OR-34A Culligan Whole House Water Filtration System O-Rings

    Fits Culligan and Ace whole house water filtration systems, including the HF-150, HF-160, HF-360, 45025, 46764 and 49560 Learn More
    $5.99
  12. OR-100 Culligan HD-950 O-Ring

    OR-100 Culligan HD-950 O-Ring

    Fits Culligan HD-950 whole house water filter systems Learn More
    $7.99
  13. OR-38 Culligan Undersink and RV Filter O-Ring
  14. OR-233 Culligan Whole House Filter O-Ring

    OR-233 Culligan Whole House Filter O-Ring

    Fits Culligan whole house filter systems including SY-2000, SY-2100, SY-2300, SY-2500, SY-2650, US-600, and US-640 Learn More
    $5.99
  15. OR-34 Tier1 O-Ring

    OR-34 Tier1 O-Ring

    Sized at 4 inches and fits into most standard whole house water filtration system housings Learn More
    $0.99
  16. 01009334 Culligan Booster Pump

    01009334 Culligan Booster Pump

    Fits Culligan reverse osmosis systems Learn More
    $229.99
  17. TK-2 Culligan Water Test Kit
  18. SW-1 Culligan Undersink Filter Wrench

    SW-1 Culligan Undersink Water Filter Wrench

    For use with Culligan and Ace undersink water filter systems Learn More
    $6.99
  19. SW-2 Culligan Whole House Filter Wrench

    SW-2 Culligan Whole House Water Filter Wrench

    Designed for use with Culligan and Ace 4.5 inch whole house water filtration systems Learn More
    $6.99
  20. SW-3 Culligan Whole House Filter Wrench

    SW-3 Culligan Whole House Filter Wrench

    For use with Culligan and Pentek Big Blue whole house water filtration systems Learn More
    $8.89
  21. SW-5 Culligan Undersink Filter Wrench

    SW-5 Culligan Undersink Water Filter Wrench

    For use with Culligan and Ametek undersink water filtration systems Learn More
    $6.99