the barrel water filling line is specially used for 3 and 5 Gallon barrel drinking water filling. It is especially used ... and 5 Gallon barrel pure water washing, filling, capping production line. The parts with touch water adopt high-quality stainless steel. ... machine, electricity and pneumatics in one machine. 20L water plant, 5 gallon water filling production line, 5 gallon filling machine, filler