Culligan OR-38 O-Ring of 3.5-Inch Diameter

3/8" Housing O Ring
Used For Undersink Water Filters
Model #US-600A
Water Filters Model #US-600A
3/8" Housing O Ring, Used For Undersink Water Filters Model #US-600A
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.