• 10 year hydrotest w/ cap
• Comes with a CGA-540 valve for Oxygen
• UN/ISO stamped "USA" for use in the United States
• Cylinder is shipped empty with no product or shoulder labels
• Color of cylinders may vary
• Cylinder Size 7" O.D. x 46" Length 
• Weight Empty 69 lbs

This cylinder is typically used for oxygen. 

Please check with your local welding supply to be sure they will fill DOT approved UN/ISO cylinders. The DOT has approved these cylinders for use in the USA but it is up to the individual supplier as to whether they will refill or exchange them.