The production line is designed for 3-5 gallon barrels with drinking water production QGF240 full automatic barrel package ... production line is designed for 3-5 gallon barrels with drinking water production, model 120-, 240-, 300-, 450-, 600, 900, 1200. The ... .9LThe production line is designed for 3-5 gallon barrels with drinking water production QGF-240 full automatic barrel package production line