... .7%,clean air quantity 41.6m3/h In powerful mold ,air particulate matter 2 hours rate of ... can produce 200-400 thousand activity ion ,On powerful mode, every CC Cubic Centimeters place can produce ... sounds working. 3 Automatic function design, display air quality in the room automatic 4 LED display, working station ... function ,keep humidification in the room High quality air purifier manufacturers