... / FRP(black/blue/green)Continuous Working:1400hours1. Operating PrincipleThe mist fan was designed with the advanced principle of double atomization. The ... venues, stadiums, arenas, airports, bus stations, large gatherings, hotels cooling.dust extraction: farm, mine factory, etc. humidification: textile mills, ... adding liquid disinfectant into water. Water-proof Water Spray Mist Cooling Fan