Classic downstream valve design for dependable breathing performance.

Dive/pre-dive VIVA switch helps control free flows.

Metal valve housing is built rugged and increases overall reliability.

Reversible hose attachment makes it easy to use on pony or deco tanks.

High-viz yellow super-flow hose is 39in/1m long and 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, from largest to smallest.