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 Mk25 Din 300 1st Stage Only


Out of Stock

The MK25 first stage is our absolute top performer and is a superior regulator thanks to its ultra stable intermediate pressure resulting in an extremely punctual and constantly high delivery of air. This means instant air flow at any cylinder pressure and water temperature for a real carefree dive

High Performance, Reliable Scubapro Technology and Value
Superior Ultra-High Airflow System for Maximum Performance in All-Temperatures and Diving-Conditions
Ultra Stable Intermediate Pressure
High Performance in Warm and Cold Water to 4300psi (300 bars)
Air-Balanced Flow-Through Piston Design

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