... air purifier and humidifier:Model:B-828Product size:193*210*472(mm)Voltage supply:110V-220V,50Hz/60HzAir flow volume: 85 m³/h ... (low speed), 150 m³/h (middle speed), 180 m³/h (high speed)Atomization volume: 80ml/h (low) , 200ml/h ( ... desgin with patent protectedTurbine blower supply fast air circulation,air flow ration is more than 500 m3/h.Safety switch:once you opened the ...