Using the physical phenomenon--natural evaporation of water, to insulate, humidify and cool the air is known as the evaporative cooling. "Hailan" Portable Evaporative Air Cooler is using this natural phenomenon; Refrigerate high-tech technology and artificial combination of evaporation, develop a new generation of energy-saving green air cooler.

"Hailan" Portable Evaporative Air Cooler blows the cooled outdoor fresh air through large axial flow fan, wet curtain evaporator and a vent into the room after filtered, so that the indoor temperature rapidly decreased, and the air fresher. It can be used for factories, repair shops, breeding places and indoor playground, driving range, a variety of activities, the venues, set the venue, the construction site, nursery, horticulture, shops and other places.