... : insulated type with wave radiator, uninsulated type with wave radiator, insulated type with inserted foil radiator, insulated type with comb radiator.Heater with fan: insulated type with fan, uninsulated type with ... metal holder.4. Current products.Insulated air heater with low windage resistance.Part numberLength/mmWidth/mmThickness/mmHigh potVoltage /VSwitch temperature /℃Power /W(5m/s ...