Quickly and effectively removes many aerosols carrying harmful virsuses, bacteria, mold, smoke, and odors from the air. Equipped with a filter layer protected by PuraWard® technology using copper and silver ions. Disposable PK Modules containing your selection of Purafil's patented molecular filtration media. HEPA filtration for harmful particulate matter. LDC display with touch controls and replacement alers. Built-in sensors provide real-time air quality data. Also removes toxic and damaging gaseous pollutants.