In terms of purification, carloni Xinfeng adopts a six-fold filtration system, which can intercept large particles such as dust and pollen, and can also efficiently filter organic volatiles such as PM2.5, fine particles above 0.3 micron, formaldehyde and TOVC, with a comprehensive purification rate of 99.99%; Super quiet, only 30 decibels, as quiet as a library; Binary overlapping total heat exchanger, the heat exchange rate is as high as 75%; AOBS automatic cleaning system ensures fresh air.