... room heater, clothes dryer, hand dryer, air conditioner system for electric car, discharging loader for battery.Convecting type: moistureproof and dew proof ... heating for electronic controll case, room heater. 3. Notice in appliance. Blowing type:1)This type of PTC air heater ... assembling methods, direction of the heater;2)Keep air flowing itself for heat could be diffused;3)The heating power will ...