Indoor air quality and humidity levels are different in different seasons. Do you feel that spring pollen and other substances make your breathing difficult and sensitive, In the winter days, in the indoor fire heating, indoor carbon dioxide concentration is relatively high, people have been feeling dizzy. If you are looking for a product that combines humidification and purification, this is your choice. Its ultra-efficient evaporation and humidification allows the environment to maintain a certain humidity level without supersaturating the surrounding area. Not only does it help relieve allergy symptoms, nasal congestion and congestion, it also effectively relieves dry skin and reduces asthma symptoms. Color: White.