This Culligan Replacement O-Ring for Big Blue Housings (OR-100) is made for the Culligan Big Blue Water Filter Housing (HD-950) but is a compatible 5 3/4" diameter O-ring replacement for all 10" Big Blue water filter housings (10" x 4 1/2") made by Pentek, Ametek, American Plumber, ACE, Omnifilter, US Filter, Plymouth, Kleen Plus, and other brands. It does not fit Big Clear housings.
This O-ring gasket must be lubricated with silicone lubricant in order to prevent leaks in the water filtration system. Further installation instructions for this O-ring are included on the back of the packaging.
The Culligan OR-100 O-Ring is interchangeable with the following 5 3/4" O-rings:
- Ace Hardware O-Ring (4001756)
- American Plumber O-Ring (152032, W10-OR)
- Ametek Kleen-Plus O-Ring (151122-03)
- Culligan O-Ring (151122-27, 01019189)
- Pentek O-Ring (151122)
