High-strength, marine alloy construction. Contains the new Overfill Protection Device to assure expansion room for temperature changes. Lightweight and maintenance-free. New external QCC thread on valve allows use with appliances which use this new connector.Valve Type: OPD valveWarranty: 3 years on all cylinder welds, 12 months on valving We are unable to ship LPG Gas Cylinders to Canada at this time