The Kirby Morgan® 37 continues our tradition of providing the highest quality and superior performance. The Kirby Morgan® 37 Diving Helmet comes standard with the Quad-Valve™ exhaust system, which offers less breathing resistance than the older single valve exhaust while ensuring an extremely dry hat. The 455 Balanced Regulator on the Kirby Morgan® 37 is an all-stainless steel regulator that provides superior breathing performance. The Kirby Morgan® 37 is among the most popular designs worldwide, recognized as the standard in the commercial diving industry and by the U.S. Navy. Choose the Kirby Morgan® 37 if you are seeking a rugged diving helmet with a traditional design.