Product Description tem: Speed regulative oscillating industrial exhaust wall fan Model: PFC-B-50 Voltage: 220V Frequency: 50Hz Power: 160W Total packing weight: 7KG Packing volume: 56*30*56cm Model: PFC-B-40 Voltage: 220V Frequency: 50Hz Power: 110W Total packing weight: 6KG Packing volume: 45*27.5*46cm