Airflow(m3/h): 18000 Power(Kw) : 1.1 Voltage/Frequency(V/Hz) : 220/50 Rated Electric Current(A) 2.8/4.8 Fan Type: Axle Discharge Type : up discharge Controller Type : Intelligent LCD Motor Type: Single-phase Various Frequency Speed Unit Size(mm):1080í-1080í-980