... 80sq.m Hot-sell Hepa anion air purifier with 500mg ozone and remote control 1.ozone purifier2 ... is made of fiberglass, can filtrate small particle with the size less than 0.0001mm, such as ... machine. Micro computer control, four-lay filter and over oxygen device, with high level, mid-level and low ... 1hour,2hour,4hour and 8hour, Four-lay filter with triple purify effect. The surface color can be customized ...