Balboa Pismo 195mm Jet. Comes complete with jet and jet body. Jet has a face diameter of 195mm with 15 nozzles. Body requires a 145mm hole, takes a 50mm coupling on the back and has 2 3/8” air barbs.
Stainless steel over gray plastic. Also came in a blue plastic which is no longer available.
Found on Spa Industries and other brands of spas.