... can evaporate inside. That means it can directly freeze the water inside. this gets more efficience than that of brine ... -grade alumium plate, never corrode, The parts contact with water are food grade too, are stainless steel or pvc. ... liquid separator,Copper pipes, liquid separator, solenoid valve,filter and so onsolenoid valve,filter and so onsolenoid valve,filter and so on14Outside dimensions(L ...