... liquid crystal display3. Quintuple purification: HEPA filters, activated carbon, negative ion, photocatalyst, plasma 1) super-activated carbon filter HEPA air ... of air, the use of advanced Tio2 photocatalyst, the car in the air harmful volatile organic compounds (formaldehyde, ammonia, ... faster and more thoroughly to remove smoke smell inside the car , alcohol, food distributed to the various odors and ...