10N Polysilicon10N Polysilicon11N PolysiliconThe agent of disinfection and deodorization used powerful oxidization of hypochlorous acid (HClO).Magnesium Oxide (MgO) PowderSilicon necklace parts for healthSilicon necklace parts for healthSilicon necklace parts for healthSilicon necklace parts for healthSilicon necklace parts for health