- 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
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