... Generate negative ions 3.The nature way of cooling Water Fan is used for home and office1. Fashionable design and ... the air,environmental cooling is not available in the normal fan.1. Advanced humidity technology,purify the air,eliminate dust ... the bacterial and keep healthy.2.Fan and Humidifier can be separately used, using fan or humidifier or together.3. ... :220V 11.Water tank volume: 3.5L Water fan