How To Use A Portable Oxygen Tank - Fresh Air Guru
Jan 12, 2019·To learn how to use the tank, you need to understand how it is designed and what it holds. A portable oxygen tank holds medical-grade oxygen. This natural gas is compressed into a cylindrical tank to 2000 psi. Some of the tanks can hold up to 3000 psi. A regulator appears at the top of the tank to regulate the oxygen output.