Culligan 5-3/4 in. D X 5.43 in. D Rubber O-Ring 1 pk

This is the Culligan OR-100 replacement O-Ring that fits the Culligan HD-950 Housing. Replacing your O-Ring on a regular basis will help decrease the likelihood of leaks and maintenance issues long term.
Fits Culligan brand and Ametek model No. HD-950 (Ace #49561)
Made of Buna-N (Nitrile butadiene rubber)
Replace with every third filter change
Replace O-ring every third filter change to prevent leaks.