If you own your own dive gear and cylinders this is a great item to add to your gear bag. Air Blow Gun attaches to your BCD Low Pressure Inflator Hose allowing you to blow dry your regulator cylinder and other items before you stow them for the next dive, or better yet before you put all that wet sandy gear in the trunk of your car for the ride home. Make clean up easier with this handy Blow Gun, can be used with any scuba tank. Air Gun has a rubber safety tip nozzle end and plastic covered non-slip trigger. Air Gun is designed for low pressure 200 psi (13.8 bars) or less.