It is made by stainless steel and contais heater,fliter,controling system. It is used to print the water transfer film on the surface of some unevenobjects. It weighs 360KG. Construction: a water circulating pump, a heater, a filter and a controlling system Water PumpMaximum Flow 40L/min Maximum Rotational Speed 2800r/min Frequency 50HZ Power 335W Voltage Values 220V