Oxygen tanks:

Oxygen Cylinders: Aluminum Oxygen Cylinders Aluminum Oxygen Cylinders have become the cylinder of choice in the medical industry due to their clean finish, Lightweight about 40% lighter than steel, Easy to handle.

High Pressure Systems

Thirty years ago a cylinder and regulator were the standard for patients who were receiving home oxygen therapy.

When it is the only source of oxygen, patients require that two or three large cylinders be delivered once weekly. These units are very heavy and should only be handled by the oxygen provider. Today, cylinders of varying sizes are used as backup systems and for use when the patient H-cylinder travels outside the home. Oxygen conservers with small aluminum cylinders are currently used as an alternative to small liquid oxygen vessels to provide for moderate ambulation when concentrators are used in the home

M6 B SIZE ALUMINUM OXYGEN CYLINDER  15.27"Length, 164 Liters, 5.8 cu FT

E SIZE ALUMINUM OXYGEN CYLINDER  28.62"Length, 679 Liters, 24.0 cu FT