... FCC 4.efficient area:80sq.m Hot-sell Hepa anion air purifier with 500mg ozone and remote control 1 ... which is made of fiberglass, can filtrate small particle with the size less than 0.0001mm, such as dust ... control, four-lay filter and over oxygen device, with high level, mid-level and low level wind, timing ... 1hour,2hour,4hour and 8hour, Four-lay filter with triple purify effect. The surface color can be ...