Culligan OR-38 Undersink and RV Filter O-Ring-- (Package Of 6)
Fits Culligan under sink and RV filter systems including US-550, US 560, SY-5167, and SY-5197
- The OR-38 O-Ring has been branded under Ace Hardware, American Plumber, Ametek, Culligan, Pentek, US Filter Plymouth Products.
- The OR-38 O-Ring is a lubricated rubber gasket for many brands of under sink and whole house water filtration housings.
- Used for Undersink Water Filters Model No.US-550
- The OR-38 oring can be used with 3/8" inlet/outlet housings with a 3.5" diameter housing sump.
- The OR-38 oring should be replaced every two filter changes or if there is damage to the OR-38 oring.