... TiO2 powder can be widely used in family, public sterilizing, air pollution control (such as formaldehyde, benzene, ammonia, TVOC etc. ... the forest negative oxygen ion concentration, and thus makes the air cleaner. Main ApplicationAir purification, Environmental protection, Sewage treatment, Organic decomposition ... .Package: Due to order, Can be customized. nano TiO2 powder for air purification