1 Decompose and absorb the the sulfid ,hydrid, benzene,leaven ect. Toxicant.
2 Release far infrared,carbanion, clean up the benzene, formaldehyde
Ect. Toxicant
3 Get rid of the bad smell ,release negative ion, clarify air.provide you the flesh air.
4 strongpoint: competitive price ,cute toy style, beautify car.
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