Reverse Osmosis System Filters, RO Membranes and Parts

Culligan Water Filters ®

Replacement Water Filters For Culligan ® Filtration Systems
  1. Culligan OR-3 O-ring Kit With Three O-rings for Water Filter Housings
    Culligan OR-3 O-ring Kit With Three O-rings for Water Filter Housings
    Culligan ® OR-3 O-ring Kit With Three O-rings. Kit includes one OR-34, one OR-38 and one OR-223 Orings. Often ordered by those who aren't quite sure which one is the right O-ring. # 151250 Learn More
    $14.99 Special Price $9.99 As low as $7.99
  2. Culligan ® D10 (2 pack) Taste & Odor Replacement Water Filter
    Culligan ® D10 (2 pack) Taste & Odor Replacement Water Filter
    Culligan ® D-10 (2 pack) Taste & Odor Water Filter - Works in US-600, US-550, RO-3167, SY-2000 - Activated carbon filter - Reduces chlorine taste and odor - Improves taste - Reduces unpleasant odor - Filter life of up to 250 gallons or 3 months. D-10 or D10. Learn More
    $16.99 Special Price $10.99 As low as $8.99
  3. Cul_D250-A   (Culligan D250-A Dual Water Filter Pack # 010119073)
    Cul_D250-A (Culligan D250-A Dual Water Filter Pack # 010119073)
    Culligan D250-A Dual Water Filter Pack # 010119073. Reduces lead, asbestos and other unwanted contaminants. Works in SY-2300, US-1000, SY-2650. - 2 1/4" Diameter Learn More
    $49.99 Special Price $39.99
  4. Culligan ® D20 Carbon GAC Water Filter
    Culligan ® D20 Carbon GAC Water Filter
    Culligan ® D-20A Carbon GAC (granular activated carbon) Water Filter - Works in US-600, US-550, RO-3167 - 2 1/4" Diameter. D20 or D-20. Filter life up to 12 months or 1,000 gallons. Learn More
    $16.99 Special Price $10.99 As low as $8.99
  5. Culligan ® D30 Carbon Block Water Filter
    Culligan ® D30 Carbon Block Water Filter
    Culligan ® D-30A Carbon Block Water Filter - Reduces Cryptosporidium and Giardia cysts, chlorine, asbestos and sediment. Works in US-600, US-550, SY-2000 - 2 1/4" Diameter. D30 or D-30. .5 micron. Filter life up to 12 months or 1,000 gallons. Learn More
    $29.99 Special Price $18.99 As low as $16.99
  6. Culligan ® D40 Carbon Block Water Filter
    Culligan ® D40 Carbon Block Water Filter
    Culligan ® D-40 Carbon Block Water Filter - Reduces Giardia and Cryptosporidium cysts, mercury, lead and harmful chemicals. .5 micron. Works in US-600, US-550, US-640 - 2 1/4" Diameter. D-40 or D40. Filter life up to 6 months or 600 gallons. Learn More
    $44.99 Special Price $36.99 As low as $32.99
  7. Pentek P-250A # 155832 Dual Water Filter Pack Compatible With Culligan ® D250-A # 155832
    Pentek P-250A # 155832 Dual Water Filter Pack Compatible With Culligan ® D250-A # 155832
    Pentek P-250A # 155832 Dual Water Filter Pack Compatible With Culligan ® D250-A # 155832 - Reduces lead, asbestos and other unwanted contaminants. Works in SY-2300, US-1000, SY-2650. - 2 1/4" Diameter Learn More
    $44.99 Special Price $32.99 As low as $28.99
Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.