06/07/2024
I had a customer bring me a cylinder for inspection. It was a brand new carbon fiber Paint Ball cylinder that he had bought off of Amazon. The dive shop was right to have it inspected before filling it.... they just didn't know why. Most pressure cylinders (scuba tanks, paintball tanks) must be approved by DOT to be used in the United States. There are two exceptions.... really old steel cylinders may be approved by ICC ( Interstate Commerce Commission, pre DOT). Really new cylinders may be approved by the UN.
This brand new Chinese cylinder did not have DOT anywhere on the label, or UN with USA on the label. It is not legal to fill it commercially in the United States.
Amazon either doesn't know or doesn't care.