... 380v or 220vFrequency: 50HZPower: 750w-2200wEffective area: 70-150m2Type of Wind: Side windAir blower ... the air insideApplication:Hot and dry area, supmarket, workshop, factory, hospital, railway station, bus station ... , Greenhouserestaurant, exhibition hall, meeting room, clothing factory etc.factory and packing electricity save eco-friendly factory ...