This product produces the ozone and anion can rapidly eliminate the car insides' soot, peculiar smell, This anion is called "in the air of Vitamin" is beneficial to the human's health:
A. Purification blood improve the breath skill,
B. Promotion metabolism,
C. The adjustment internal secretion, relaxes the strain mood,
D. Elimination positive charge to body's (ex: Trachea, bronchial tube) stimulating.

Has the best medicine function, and can effectively reduces the cough, sneezes, asthma's incidence.