... .Beauty 3.Purification 4.Eliminate fatigue 5.rnment: add perfume Air freshener Produce the large amount of active oxygen, through generate strong ... pollution, using more safe. Small volume, water volume about 100ml, with 1-2 drops of essential oil to the water, it ... machine’s protection against corrosion is not enough, while our aromatherapy machine is made of the special ABS materials, ultrasonic metal ...