What severe potential risks do harmful substance have to human health? The medical statistic results show that chronic inhalation of harmful substances is equivalent to chronic poisoning. The Long-term inhalation of formaldehyde, benzene, dust and smoke will lead to chronic poisoning which affect the physical function of human body severely. "Air vitamin"--air negative ions According to scientific research, negative ions in the air can not only remove dust and purify air, but also activate oxygen molecule to form oxygen-carrying negative ions, which can activate air molecules to improve air quality.Color: Black or GoldenPlease leave us a message which color you want.
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