Culligan 3-3/4 in. D X 3-3/8 in. D Rubber O-Ring 1 pk

This is the Culligan OR-38 replacement O-ring that fits many models of Culligan under sink and RV filter housings. Replacing your O-ring on a regular basis will help decrease the likelihood of leaks and maintenance issues long term. Buy your replacement OR-38 today.
Fits Culligan under sink and RV filter systems including US-600A (Ace #4396081) and RVF-10 (Ace #4867545)
Make sure to use a food grade lubricant on the O-ring when replacing
Replace with every third filter change