Waterway Plastics Gasket, Waterway Single Port On/Off Valve Specs: Part Type - Gasket Inside Diameter - 1/2"id Outside Diameter - 1"od Kit - No Application - Category - Valve, Drain Drain Valve Part Type - Gasket Application Manufacturer - Waterway Application Model - Single Port Application - Part - Piston Manufacturer Part Number - 711-9881
