Used Scubapro C370 (2nd Stage Only)The C370 is a compact and lightweight second stage regulator that offers effortless airflow and full user controls. It features a balanced valve and a brand new exhaust tee for improved work of breathing. The compact hi flow mouthpiece increases airflow and mouth comfort. The C370 is fully adjustable with an inhalation effort control knob and a dive pre dive lever. Its air balanced valve smooths out inhalation effort at different depths and supply