Function: Quintupling sterilization and cleaning: (1) Filtering: Static filter will filter bigger powder and impurity. (2) Deodorization：Powerful deodorization filter will remove the peculiar smells such as smell of smoke, mildew and vent gas of automobiles, etc. (3) Sterilization: High intensity ultraviolet lamp which uses wavelength of 253.7nm can kill various germs effectively without creating ozone. (4) Discomposing: Being irradiated by sunshine, highly active reaction layer catalyzed by light will discharge super oxidized ions, which can discompose organism in the air and kill various germs effectively. (5) Purifying: Highly active catalyzing purifying net will further kill germs and discompose organism and restore fresh and natural air inside automobiles thoroughly.