1.Corrosion resistant, anti aging, anti deformation 2.Large air volume, low noise 3.Waterproof, moisture-proof 4.Evaporation, ... corrosion,and resistance to deformation.2)Using double-enty centrifugal fan with fatures of high efficiency,low noise,long drive distance ... cooling efficiency and easy cleanEvery part :Our process line : Big air volume outdoor industrial evaporative air cooler (CE)