Culligan O-ring for WH-HD200-C Water Filtration System

The Culligan OR-250 O-Ring is designed for use in the following whole house water filter with a 1-inch inlet/outlet: Culligan model WH-HD200-C. The o-ring is used to seal the housing canister to the housing cap to prevent leaks. Replace your o-ring with every third filter change or when there is damage to prevent leaks.