The 3-in-1 Pro's HEPA filter is top of the line, removing a wide range of pollutants with 99.98% effectiveness at 0.1 microns and above.
aair 3-in-1 Pro pre-filter protection and HEPA H13 Filter embedded with 2lbs of Activated Carbon are highly effective at capturing a wide range of pollutants including airborne particles like viruses (including COVID), pollen, environmental smoke, and mold.
Measured according to ISO 29463 at 0.1 microns and above at full fan speed.