Keep environmental air clean & healthy for human; especially for baby, elder, sick person, pregnant lady. Parameters of room-used air cleaner SeriesKD room-usedModelKD200MKD400MKD900MKD1200MFormStand-aloneProductonwheelProduct on wheelProduct on wheelAir flow /(m3/h)2004009001200Power /W203550100Power Source200VAC200VAC200VAC200VACNoise/dB40505555Volume/(cm) ...