Dear Customer, Thanks for your inquiry.
The purifier has three layers of filter screens. The primary filter screen can filter more than 95% of the particles of 1-5um, the high-efficiency filter screen can filter more than 99.95% of the particles of 0.3um, and the carbon layer filter screen has the effect of removing formaldehyde and odor. Built-in UV lamp, with ultraviolet sterilization effect. This product mainly absorbs and kills particulate matter and mold fungi, etc.
By vevor