The Ferno 217 D-Size Aluminum Oxygen Cylinder (#RO2510) is a carbon-fiber reinforced aluminum bottle that is 40% lighter than steel and can safely protect the compressed contents of the bottle. This product is currently available in Size D only.
Warranty: 1 Year.
This oxygen cylinder is resistant to rough terrain and handling or accidental dropping. The aluminum exterior is resistant to contaminants, rust, and corrosion, which ensures your cylinder lasts a long time.