... pollution, sterilizing, anti-virus and anti-mildew, release negative oxygen ion 1)Purified airresolve the formaldehyde, benzene, ammonia and other VOC ... of carbon dioxide and water etc., and release negative oxide ion, and purify the air.2) Sterilizinganti-virus, anti-mildew: kill ... application packing 500 mlExecutive standardQB/MD2005001Validity2 years 2-3 nano meter Quantum Photocatalyst