Air-balanced diaphragm 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.

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

External intermediate pressure adjustment enables technicians to fine-tune performance quickly and easily.

Air-balanced second stage valve smoothest out the inhalation effort at varying depths and supply pressures.

Compact second stage fiberglass reinforced nylon casing with new exhaust tee takes up little space in a dive bag.

User controls include a diver-adjustable inhalation effort knob and coaxial dive/pre-dive lever.

Large purge button is easy to activate, even wearing thick gloves.

Super-flow hose features an oversized bore that allows more air to flow on each inhalation.

Compact Hi-Flow mouthpiece improves airflow as well as mouth comfort, fitting all mouth sizes.