... water mist fan Tech parameter : Air flow18000(m3/h)21000(m3/h)Air pressure180pa200paVoltage/Frequency380/220V,50/60HZ380/220V, ... thickness 5090,10mm thickness Industrial evaporative air conditioner advantage:Environmental friendly,energy saving,air circulation, economical in operation and installation ... ,poultry farm,almost any place where need fresh air & cooling. Packing : commercial water mist fan