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Cap Humidifier’ exterior looks like a cap.It can be fixed on a bottle.Sometimes people cannot drink off a bottle of water at a time.Cap Humidifier can make use of the water left in the bottle.With its cap structure, the humidifier is sealed while you are using it.So it can be also used in a car.
NanJing forestry University,PRC
Nan Zhang Xiaoran Wang Yin Zhao