MK19 EVO is designed to be the ultimate first stage for technical, cold water or contaminated diving conditions. Small and lightweight design. Air-balanced first stage diaphragm delivers constant and effortless airflow unaffected by depth, tank pressure, or breathing rate. Environmentally sealed system prevents water and pollutants from fouling the inner mechanism and is extremely resistant to freezing. New dry chamber is equipped with a double spring making it more compact and reliable. Two opposing high pressure ports. Four High-Flow low pressure ports on a swivel turret plus one axial Super High-Flow Low pressure port. Available as DIN300 or INT
