... poisonous gases such as benzene, formaldehyde, SO2, CO etc., which released from decoration stuff. D. Get rid of bad odor arising ... from living house or office work;E. Remove very small particles: ... purification: photo-plasma/photo catalytic oxidation/anion/ozoneAnion released: 200, 000 pieces/cm3 Ozone released: <0.06ppm Pollutant removal rate: particulate: 99 ...