About this item With an air-balanced flow-through piston in a chrome-plated brass body, the regulator delivers a constant and effortless airflow unaffected by depth, tank pressure, or breathing rate. SCUBAPRO’s Extended Thermal Insulating System thermally insulates the mechanical elements, increasing cold-water resistance and delaying ice formation in extreme environments. The regulator includes two opposing high-pressure ports that let you position the first stage up or down, along with...