The Paratech Air Lifting Bag Preset Regulator is milled from aircraft-grade aluminum and hard coat anodized to be sturdy and durable. It comes with a pressure relief valve to prevent any over-pressurization of the system. The preset regulator is set at 215 PSI (14.8 Bar) and is operated with a simple on off quarter turn valve. The DIN version comes with an inlet pressure gauge to monitor bottle pressure. The G3 preset regulator makes setting up your air lifting bag system easier than ever.