Scubapro MK11/C370 Regulator

Air-balanced diaphragm MK11 first stage design delivers constant and effortless airflow unaffected by depth, tank pressure, or breathing rate Marine grade brass body has sealed internal parts to prevent water and pollutants from fouling the inner mechanism while enhancing cold-water performance Air-balanced second stage valve smoothes out the inhalation effort at varying depths and supply pressures Compact C370 second stage fiberglass reinforced nylon casing with new exhaust tee takes up little space in a dive bag