The O-ring is used to seal the housing canister to the housing cap to prevent leaks. Culligan makes getting cleaner water safe, easy, and convenient. With everything from whole house filters, under-sink filters, shower filters and more, we have all your water filtration needs covered. Visit our website to schedule your free water test or an appointment with your local Culligan water expert.

REPLACEMENT O RING FOR CULLIGAN WHOLE HOUSE FILTER: Culligan OR-100 replacement O-ring for Culligan model HD-950A heavy duty housing with 1-inch inlet/outlet. PREVENTS LEAKS: O-ring is used to seal the housing canister to cap to prevent leaks in your water filter system. O-RING LIFESPAN: Replace the O-ring with every third filter change to prevent leaks. USE WITH CULLIGAN WATER FILTER HOUSING: For use with whole house water filter system. PACKAGE INCLUDES: One OR-100 O-ring. MADE WITH HIGH-QUALITY MATERIALS: Culligan rings are made from NBR Rubber. DESIGNED TO LAST: Durable and more resistant to abrasion, weak acids and alkalis than silicone rings. TRY OUR FULL LINE OF PRODUCTS: providing cleaner, healthier, safer water for your home.