Most 2nd stage demand valve regulators are calibrated and then tuned for middle of the road performance. Non adjustable 2nd stage do not allow the diver to choose the performance level they would like from their regulator The Ocean Design adjustable 2nd stage allows you to increase the performance of your regulator with the twist of a knob. This gives you the choice you need if you either choose or end up in a situation where extra performance or air maybe needed. Key Specifications/Special Features: Valve type: Demand Adjustment: Knob & pre dive switch Balancing system: Mechanical Integrated purge button: Yes Mouthpiece: orthodontic Nitrox compatibility: Standard to 40% Weight (without hose): 180g Dimensions (front profile): 67mm Minimum cracking effort: Diver adjustable Factory set inhalation effort: < 2.0 inches Work of breathing: 0.9 Joules (average) Warranty: 12 Months Limited lifetime warranty: Yes Care and Storage Instructions After use, wash in fresh water and allow to dry in a well ventilated area out of direct sunlight Store in a well ventilated dry area away from direct sunlight
