Jet Internal, Waterway Cluster Storm with Thread-In diffuser. Gray, 2" Textured Scalloped face, with Twin Roto style internal and Adjustable on/off control. Available in additional colors and styles. Installation Type - Thread In Face Diameter - 2" Jet Part Type - Internal Diffuser Opening Type - 1 Nozzle Diameter - 9/16" Base Diameter - 15/16" Total Length - 2-7/8" Diffuser Length - 2-5/8" Diffuser Part # - 218-6550 Manufacturer - Waterway Model - Cluster Storm Color - Gray, Medium Internal Type - Twin Roto Face Style - Textured Scalloped Special Feature - Adjustable On/Off Control