This demonstration video discusses the features of the ScubaPro MK25 / A700 Regulator. The ScubaPro MK25 / A700 Regulator performs in all temperatures and diving conditions - including ice diving. The first stage is a 360 degree swivel and is balanced for superior breathing performance with "Diver Adjustable" Air flow. It has a "Diver Adjustable" venturi to prevent unwanted free-flow and is Nitrox compatible to 40% (the recreational limits of nitrox). It comes standard with an Egronomic, safe-grip mouthpiece for comfort.