... Fan with humidifier 2.Purify air, freshen air,decrease dust 3.Long range of spraying 4.Low noise 5.Less power ... dustStrong mobilityLong range of sprayingLow noiseFast coolingLess power consumption 4. Applicationcooling: outdoor dining, outdoor ... arenas, airports, bus stations, large gatherings, hotels cooling.dust extraction: farm, mine factory, etc. humidification ... Water Spray Mist Cooling Fan