... nanometer activity Ionizer‘,control Microbe grow;,dispel pollutant of air. disease control center test dimension China ... room work on 1h,2h,3h ,die rate of nature bacteria in air is 92.21% 94.01 ... air like nature in home. After test , XITIAN air cleaner work on mute sounds, every CC ... sterilize function 2.Advanced noise suppression technology, mute sounds working. 3. Automatic function design, display air ...