CO2 Cylinder 20 lbs. - EmptyThe ultimate CO2 source for large kegerators and keezers. Roughly the size of a corny keg, this tank will fit inside some keezers too. It is best secured to a wall or the side of a kegerator when situated outside of a fridge to prevent it from being knocked over. Aluminum, includes a plastic carrying handle, which protects the valve mechanism. It weighs 24. 9 lbs. empty, is 8" in diameter and 27. 63" high. Shipped empty. Looking for a complete system?