... water tank ,45L 4,environmental air cooling fan 5.With CE Portable air cooling fan With CE1, Parameter ModelXBL-65YDMax air flow rate(m3/h)6500Net weight ... : The cooling process works on the principle of evaporation of moisture. The fan draws outside air through pads soaked with water. The evaporation ... , food stall,etc ,3 For farming using: greenhouse,etc. portable air cooling fan with CE