1)HGT Series Circulating Dryer With CE For Drying 2)Dry each kinds ... grain 3)Material is steel 4)With CE 1)HGT Series Circulating Dryer With CE For Drying Features & FunctionFriendlyModular design makes ... .6~1.0% / Hour Safety DevicesThermo-Over Relay, Air Pressure Switch,Full Load Buzzer, Timer, AbnormalCombustion Sensor, Control Fuse.