... . 2,Unique design of the gun 3, easy to operation Semi-automatic Liquid Filling Machine Suitable for no foam or mild foam material and light ... two stages (3 section) to be automatic filling way3, Wide weighting range ,Filling quantity target set free4,Filling machine plug-in perfusion to avoid materials ... ,Diameter air pipe inlet :8mmVoltage:220(-15%~+10%)VAC,50Hz Semi-automatic Liquid Filling Machine