Culligan 3-3/25 in. D X 2.87 in. D Rubber O-Ring 1 pk

This is the Culligan OR-233 replacement O-Ring that fits Culligan whole house filter systems. Replacing your O-Ring on a regular basis will help decrease the likelihood of leaks and maintenance issues long term.
The OR-233 o-rings are used to seal the housing sump to the housing cap to prevent leaks.
The OR-233 o-ring should be replaced every two filter changes or if there is damage to the OR-233 o-ring
Use with Model No.US-600, Model No.SY-2300 and Model No. SY-2650