• Current 10 yr Hydrotest stamp
• CGA-540 valve for Oxygen
• DOT required cylinder cap
• No gas service shoulder labels shipped with cylinder
• UN/ISO stamped "USA" for use in the United States
• CYLINDER SHIPPED EMPTY
• Cylinder Size 7" O.D. x 32" Length
• Weight Empty 46 lbs.

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.