Cross flow fan,Ventilation fan, Fireplace fan, Elevator fan SY: FB-9B -Muti-wing design,low noise,high wind pressure & large wind volume -Ambient temperature is at -20 to +100 Celsius.-Average service life is over 20000 hours- 1 Year Warranty-Passed CE,ROHS CERTS-Impeller Size: 91X260mm-Exhaust Size: 43X270mm-Fan Dimension: 425X152X135mmWidely used in condensing units for air-conditioning, fireplace, ventilation,elevator,clean room,production room,etc.Technical data:ModelVoltFPowerSpeedAir-FlowNoiseWeightP/NVHzWRPMm3/hDbaKgFB-9B110/22050/60251100270<47db3