... Centrifugal rotor,large wind,low noise. Microcomputer control, Purify air. Portable Cooler and Heater Function Introduction:Evaporative cooling,humidifying ... kinds of wind:normal,natural,sleeping.Active oxygen ion purify air.Setting 1--9 hrs regularly shutdown.Brake casters ,easy to ... Size: 490*390*1001mm Power: 3000W Q'ty/20': 128pcsAir flow: 1200m3/h Q'ty/40HQ 336pcs Water tank: 12LSandard Room ...