Available with either our versatile balanced flow-through piston or environmentally sealed balanced ist stage, he Airtech features an easy to use 2nd stage adjusting knob and a venturi control vane.
Balanced Diaphragm - The Cressi-sub balanced diaphragm 1st stage is small, lightweight and versatile. It features an environmentally sealed design with four low-pressure ports and two high-pressure ports perfectly positioned, allowing for proper alignment of hoses. Consistent airflow at all depths and all tank pressures is insured as a result of its unique high flow design.
Balanced Piston Small in size, the Cressi-sub balanced piston 1st stage features a large, flow-through balanced piston design. Its technologically advanced design delivers consistent intermediate pressure and high performance even with low tank pressures. Five low-pressure and two high-pressure ports are conveniently located on a 360 degree swivel head allowing for proper alignment of hoses.
