1: low noise 2: intelligent fan. 3: speed can be controlled steplessly and automaticly by sensors (CO and PPM) 4: 230V input EC home ventilation fan characteristics:a: EC fan is applied inside.b: low noise and intelligent control.c: speed is adjusted according to CO and PPM value.d: compact size, beautiful outlook.f: engery savingTypeVoltageFrequencyAir flowSpeedPowerCurrentNoiseWeightVACHzM3/ ...
