MK25
* Air balanced flow-through piston
* Two opposite high pressure ports
* Multiple low pressure ports
* DIN/INT first stage configurations
* Externally adjustable intermediate pressure
* Balanced flow valve provides constant & effortless air flow
S600
* Diver adjustable inhalation control enables personal adjustment of breathing effort
* Diver adjustable Venturi Initiated Vacuum Assist (VIVA) dive/pre-dive control switch and extra high flow exhaust valve account for easy inhale & exhale
* Super-flow hose for smooth air delivery
*In addition, precision molded, lightweight components, and anti-freeze materials provide high corrosion resistance and enhance cold water performance.