S300 0.5L Mini Scuba TankThe S300's integrated respirator combines the regulator, pressure gauge, safety valve, vent, and mouthpiece into one streamlined unitreducing bulk and simplifying your setup for quick dives and emergencies. CE, TUV, and DOT certified Approx. 35 breaths at 200 bar (tested at 5m depth)* Safety leash included * The number of breaths may be affected by factors such as diving depth. For your safety, always monitor the pressure gauge and do not exceed 5