Promate Scuba Dive Regulator Gear Set 1st & 2nd Stage / DF300E & OC350:
*Promate Tornado-Ice Diaphragm 1st Stage Regulator (DIN Available)-
By adding a diaphragm to this environmental sealed DF300E unit, the spring chamber is sealed completely and can effectively improve the performance of the regulator for diving under extreme conditions. Regardless whether the pressure of the tank is 500psi or 3000psi, this 1st stage regulator will always offer divers stabilized air. The intermediate pressure internal adjustments allow divers to choose any one of the 2nd stages to connect with Promate DF300E regulators in today's market.
*Promate Explorer Pro 2nd Stage-
External air intake resistance adjustment system.
Internal air deflector for smooth and easy breathing.
Lightweight and compact, weights merely 7 oz without the hose.
Prevents jaw fatigue during long dives.
Large diameter exhaust valve allows for proper removal of exhaled air.