Culligan Compatible Replacement Water Filter Cartridges, Faucets, O-rings, Housing Spanner Wrench and Water Filtration System Parts for Culligan Water Filters Systems. Be sure to sanitize your Culligan SY-2650 drinking water filter system each time you change the SY2650 replacement water filters.
Pentek # 151121 O-Ring For Slim Line Water Filter Housing Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. O-Ring For Slim Line Water Filter Housing. Buna-N FDA Grade. (Slim Line Housings Use A 3 1/2" diameter "O" Ring) Ametek # 151121 Same as Culligan OR-38 O-ring.