... ,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 ... 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 ...