Nitrogen Draft System w/ Brass Stout Faucet - Ball Lock KegIf you are into Guinness, Boddington's, or Murphy's style beers then this is the kegging system for you. This system has the fittings to work with a ball lock keg. The combination of nitrogen and a stout tap help produce a thick, creamy head on a beer. The Nitrogen Draft System with Brass Stout Faucet Includes: 20 cu. ft. Reconditioned Nitrogen tank (federal law requires that we ship these empty), which can be filled at most local welding shops A dual