Pentair 24850-0009 25-Inch Cord O-Ring for Tank Replacement for Select Sta-Rite Pool and Spa Filters
This cord O-ring for tank is designed to use with Sta-Rite System 3 Modular Media SM series pool and spa cartridge filter model S7M120, S7M400, S8M150, S8M500 and also compatible with Sta-Rite System 3 SD series pool and spa D.E. filter model S7D75, S8D110. Fits with Sta-Rite System 3 SS series pool and spa sand filter model S8S70 and S7S50. Measures 25-inch size.