High strength, composite LPG cylinders are light weight and maintenance free. A special fiberglass construction allows you to see the level of propane in the cylinder. They are just what recreational and commercial users need to end unsightly and dangerous rust and corrosion. Manufactured to D.O.T. and T.C specifications. OPD, new Type 1 valve. Dimensions are approximate. Capacity 17 lbs. Size 12" OD x 18-3/32" H Weight 10.3 lbs.