25 cu ft Nitrox Pony Bottle A secondary air supply can be carried in the form of a pony bottle. This extra tank is a fully redundant air supply complete with its own regulator and pressure gauge. As such it makes an excellent safety device.
25 cu ft Nitrox Pony Bottle
A secondary air supply can be carried in the form of a pony bottle. This extra tank is a fully redundant air supply complete with its own regulator and pressure gauge. As such it makes an excellent safety device.