... into harmless CO2 and H2O. Product Features:1. Widely Used, such as air purifier, air-conditioning system2. It ... 4. no secondary pollutionSpecification:Materials: Micropore metal filters, aluminum honeycomb filters, aluminum filters, etcSize, aperture, thickness: Can be ... user’s specifications! Application area:Photocatalytic filters are widely used in air-purifiers, air-conditioners, car air-purifying ...