<p>Aluminum cylinder type Jumbo D -M22, 623 liters, Toggle valve CGA-870.</p> <p>Service Pressure 2216 PSI</p> <p>Oxygen Capacity 647.1 liters</p> <p>Outside Diameter 5.25 in</p> <p>Overall Length 17.1 in without valve</p> <p>Every cylinder is produced from high strength aluminum alloy 6061-T6.</p> <p>Standard FINISH is brushed body with green shoulder and clear coat of heat sensitive powder paint.</p> <p>All seamless aluminum alloy compressed gas cylinders are manufactured in accordance with DOT 3AL and 3AL requirements. Every cylinder is inspected and tested by a DOT and TIC authorized independent inspection agency.</p>