You cannot breathe directly out of a scuba tank because of the high pressure. A regulator reduces pressure to safe a level that can be inhaled by the diver. A diving regulator has two parts: the First Stage reduces the tank pressure and connects it to the Second Stage which contains the mouthpiece for breathing

Scubapro Mark 25 Regulator, First Stage Only


Out of Stock

Feature1Air balanced flow-through piston
Feature2Chrome plated brass body
Feature3Externally adjustable intermediate pressure
Feature4Low pressure ports 5 on swivel turret, High Pressure Ports 2
Feature5Anti-Freeze protection

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