... Compact Semiconductor Fan Heater, Industrial Electric Air Heater, CSL 028, 150W,250W,400WCompact designLow noiseDynamic heating upClip or screw fixingFan ... temperatureAxial fan, ball bearingair flow, free flow: CS 028: 13.8m³/h CSL 028: 45m³/h (230VAC), 54m³/h (120VAC) ... up)Operating / Storage temperature-45 to +70°C (-49 to +158°F)Operating / Storage humiditymax. 90 % RH (non-condensing)Protection ...