• Air purifier features PlasmaTrue Technology that removes airborne pollutants at the molecular level, instantly neutralizing viruses and germs in the air • The True HEPA Filter captures 99 • 97 percent of particles and impurities as small as 0 • 3 microns, including mold spores, pollen, dust mites, allergens, cigarette smoke and odors • To keep your air purified, air purity sensor monitors and automatically adjusts the fan speed according to particulates and pollutants in the air • Carbon filter removes odors and captures large airborne particulates • Filter change indicators signal when the True HEPA and Carbon filters need replacing • User-friendly display panel effectively communicates machine performance