The Culligan® OR-100 O-Ring fits the following whole house water filter with a 1-inch inlet/outlet: Culligan® model HD-950A. The O-ring is used to seal the housing canister to the housing cap to prevent leaks. Replace your o-ring every third filter change or when there is damage to prevent leaks.

• Culligan® OR-100 replacement o-ring for filter assemblies with 1-inch inlet/outlet housings.
• O-ring is used to seal the housing canister to cap to prevent leaks in filter system.
• Replace your o-ring with every third filter change to prevent leaks.
• Use with Culligan® HD-950A
• Package includes: OR-100