The Oceanic Air XS 2 Regulator/Inflator replaces the conventional BC Power Inflator and Second Stage Octopus by combining the functions of both into a Single Unit When you"re taught how to dive you are given practice in buoyancy control more than any other skill Once you start to dive, every time you go underwater, fin the reef, or surface you use buoyancy control All this time your octopus second stage regulator hangs unused and out of mind When a real life Out-of-Air Emergency Situation occurs and the Stress-and-Anxiety Mounts, you find yourself fumbling for a piece of equipment you never use, the octopus! Combining your Inflator Device (that you use on every dive) with your Octopus Regulator assures your Ability-to-React-Properly when an Out-of-Air Emergency Occurs Be a Safe Diver with the Oceanic Air XS 2 Breathable Inflator The Oceanic Air XS 2 Regulator/Inflator incorporates a Reliable Downstream Demand Valve Regulator Function for Ease-of-Breathing, Low Maintenance and Durability The Large Purge Cover makes Clearing-Water from the Second Stage Fast-and-Easy, regardless of the Emergency Situation and the Orthodontic Silicone Mouthpiece provides Comfort The High Flow Quick-Disconnect Hose assures Ample Air Delivery and Inflation to the Air XS 2 The Corrugated Hose has a Cable-Activated Pull-Dump Mechanism that makes Deflation of the BCD Quick-and-Easy The Integrated Overpressure Relief Valve (OPV) located in the upper (shoulder) unit Automatically-Vents Excess Pr