Perfect for cleaning beer lines! This cleaning keg is made of stainless steel and has a 10 liter (or just over 2.5 Gallon) capacity. The top of the keg features a removable lid with pressure relief valve and two Sankey D coupler connections. Hook up to two separate beer lines directly to keg, fill keg with a beer line cleaner and then simply run the cleaner through your system according to the recommended directions on your cleaner. This Cleaning Keg will allow you clean even large multi-tap systems quickly and easily, ensuring you get a perfect pour, pint after pint!