The balanced diaphragm MK11 delivers effortless airflow unaffected by depth, tank pressure or breathing rate.

• Air-balanced diaphragm first stage design delivers constant and effortless airflow unaffected by depth, tank pressure, or breathing rate

• Chrome-plated marine grade brass body has sealed internal parts to prevent water and pollutants from fouling the inner mechanism while enhancing cold-water performance.

• Two high pressure, two low pressure and two high-flow LP ports maximize hose routing options