... can be used in house, car and office. 2,Anion purify the air, cool moisture and dislodge formaldehyde, carbon monoxide etc chemical ... material. 3,Put in aromatherapy essential oil, creat the fragrance and comfort environment, 4,Put in repellent liquid to prevent the ... the fungus 5,provides additional comfort to dry itchy skin, and chapped lips Round type Ultrasonic Humidifier