Micro mesh Pre-Filter : Effectively removes fiber particulate matter bigger than 0.28 mm with hair, dandruff, coarse grains & fine dust blocking rate over 99.90%.  
Cold Catalyst Filter : Efficiently removes pollen, dust, bacteria, cigarettes' smoke, harmful airborne chemicals from carpeting, flooring and household cleaners and decomposes the harmful gasses like formaldehyde, ammonia, benzene, etc.  
Activated Carbon : 3 mm coconut shell active carbons have high degree of micro porosity, and the honeycomb design increases the efficiency of gas adsorption. It removes 99% of oil vapors, odors, TOVC and other hydrocarbons.
True HEPA : Removes up to 99.97% above 0.3 micron diameter particulate, such as fine dusts, haze and smoke particulate, pet dander, mold spores, pollen, some bacteria and viruses.