SCUBAPRO AIR 2 - 5th GENERATIONThis excellent BC inflator reg is in its 5th generation with dramatically improved work of breathing. Sleek ergonomic inflate deflate controls allow for pinpoint buoyancy control. Test proven breathing performance and cracking effort surpasses many traditional downstream second stages when it comes to ease of breathing. Dive pre dive switch lets you detune the unit when not in use, eliminating free flows. Flexible purge cover is easy to locate and