HEPA Air Purifiers Quiet Clean 99.97%

NIB-【3 Stage Filter and Power Moter】 Pre-filter,True HEPA Filter Activated Carbon Filter. Clean 99.97% of Air Pollutants as small as 0.3 micros 【Air Purifier can Add Aroma】 Add your favorite essential oil help to relax and sleep. 【3 Fans Speed Choosing:】Select suitable fan speed according to area and individual needs 【Child Lock】 Available child function to avoid error operating by kids or pets 【Filter Replac Alarm】 It's suggested that replace air filters every 6 months. The exact time depends on the usage time and air quality around you.