... Area: 80m2 High Effect Air purifier with ozone and HEPAPurifierHepa Air PurifierHome Air PurifierOzone,Ion/Negative Ion,HepaFunction1) Clean the indoor air thoroughly, adhesive dust, ... smoke and peculiar smell in the air to reach higher fresh air output CADR with the high air current design of purify ... mid-level and low level wind, timing can be set 1 hour, 2 hours,4 hours and 8shours, Four-lay ...