<p>Aluminum cylinder type D with valve CGA-870, with toggle valve.<br /> Every cylinder is produced from high strength aluminum alloy 6061-T6.<br /> Standard FINISH is brushed body with green shoulder and clear coat of heat sensitive powder paint.<br /> <br /> All seamless aluminum alloy compressed gas cylinders are manufactured in accordance with DOT 3AL and 3AL requirements.<br /> <br /> Every cylinder is inspected and tested by a DOT and TIC authorized independent inspection agency.<br />  </p> <div>Diameter: 4.38 inches</div> <div>Capacity: 425 liters</div> <div>Length: 16.5 inches<br />  </div>