... the mercury arc spectrum for lamps only the ultraviolet at 253.7nm is strong enough to kill ... 185nm short wave ultraviolet rays, which result in ozone, the ozone in the air even with a low ... mucosa, headache even coma, and pollute the air seriously. To solve this problem our company has ... They are the best and cheap disinfectors used for air, food, water disinfection and apparatus disinfection in families ...