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-550, US 560, SY-5167 and SY-5197
Make sure to use a food grade lubricant on the O-ring when replacing
Replace with every third filter change
O-RING WATR FILTR 151121
Brand Name: Culligan
Interior Diameter: 3-3/8 in.
Product Type: O-Ring
Number in Package: 1 pk
Exterior Diameter: 3-3/4 in.
Packaging Type: Bagged
Wall Thickness: 0.1875 in.
Brand Compatibility: Fits American Plumber, Ametek, Culligan, Pentek, US Filter Plymouth