... .Effective Area: 80m2 High Effect Air purifier with ozone and HEPAPurifierHepa Air PurifierHome Air PurifierOzone,Ion ... is made of fiberglass, can filtrate small particle with the size less than 0.0001mm, such as ... control, four-lay filter and over oxygen device, with high level, mid-level and low level wind, ... hours,4 hours and 8shours, Four-lay filter with triple purify effect. The surface color can be ...