... 1. Operating PrincipleThe mist fan was designed with the advanced principle of double atomization. The water drips are jetted under ... venues, stadiums, arenas, airports, bus stations, large gatherings, hotels cooling.dust extraction: farm, mine factory, etc. humidification: textile mills, ... , zoos, golf courses by adding liquid disinfectant into water. 24" Split Style Wall Mounted Air Cooling Fan