Cylinders have Overfill Prevention Device (OPD) and can be attached to any grill, stove or portable propane-fueled appliance. Damage-resistant, all-steel construction with rustproof Durabond powder-coat paint. Comfortable handholds in the collar for easy transportation. Available: 5 lb., 11 lb., 20 lb. with gauge. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Propane Cylinders.