HEPA activated carbon air filter
                    HEPA activated carbon air filter is the True HEPA filter and activated carbon filter Combined 2-in-1 High Efficiency filter, Designed with the H10 to H13 Grade Filtration efficiency, the air filter can catch up 99.97% of particles as small as 0.3 microns such from air purifiers to improve air quality by trapping dust, allergens, mold spores, pet dander, smoke particles, and some bacteria.