Scuba Diving Tanks 80 CU FT Standard Aluminum Scuba Tank - Scuba Cylinder The Base Price does NOT include a valve.&nbsp; Joe recommends buying a new valve when purchasing a new tank! Every cylinder is produced from high strength aluminum alloy 6061-T6. Cycle-tested in excess of 100,000 cycles at service pressure. Minimum burst pressure tested to 2.5 times service pressure without failure. Manufactured to all recognized international standards.