This vintage scuba regulator is a must-have for any diving enthusiast. Made by U.S. Divers and branded as Aqua Lung, this Aqua-Ma The regulator is in great working condition and has been well-maintained. The unique design of this regulator, with its two-stage system, allows for smoother breathing underwater. It is a great addition to any collection of vintage scuba gear or for use on your next diving adventure. Don't miss out on this piece of diving history.