*Tested to GB/T18801-2015 P.CCM, based on 50% CADR decline, 28 sq m cleaning area, and 12 hrs daily operation on MAX fan speed.***Based on ASTM E544 vs. HP300 with filter and carbon only, after 30 minutes.†Non-living matter, based on IEST-RP-CC007.3 99.97% @ 0.1 - 0.2 microns.