This is a Pentair replacement Spider Gasket Diverter for HiFlow 2 Inch Top and Side Mount Clamp-On MultiPort Valves. This is a 5-spoke gasket that is used on 6-way Pentair/American multiport valves specified.
This spider gasket is used on the Pentair Top Mount TM12A and TM22 valvem models, Side Mount SM10-2 and SM20 valve models and Multiport Top Mount 6-position Clamp-on Valves.