Portabble air conditioning fan has humidifier/purifier/anion/fan function Strong wind Adopt honeycomb evaperation cooling tec Specification of evaporative air cooler :1 ... the environment 8.It has multi-function such as air anion ,air humidifition , air purifition ,warming ,cooling9.0.5 to 7. ... . order::1×20'casterwithout skid2piececasterwith skid2pieceCaster wrench1piece portable air conditioning fan