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Heavy Duty Water Filter Housing O-Ring, 1-Inch

Culligan

The Culligan(TM) OR-100 O-Ring fits the following whole house water filter with a 1-inch inlet/outlet: Culligan(TM) 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.