The Sanke D System Co2 PicnicTap is a new and unique way to dispense beer or soda using Co2 as the propellant. Now, consumers can enjoy complete mobility and ease of use. A simple, single adjustment regulator and cylinder holder all in one. A system that uses an economically mass produced Co2 cylinder, enough gas in one cylinder to dispense a full 1/4 barrel sized container. It takes just two cylinders to draft a 1/2 barrel.