Energy Smart meets the Silverscreen™ in the new PCO575DC. The Vornado Silverscreen Enhanced HEPA Air Purifier destroys what HEPA can’t capture. From large particles to small molecules, Silverscreen is the ultimate air purifier. It combines True HEPA filtration to remove up to 99.97% of airborne allergens down to 0.3 microns in size, Advanced Carbon Filter to adsorb odors and gases (including common harmful ones found in the home), and Patented TiO2 Media + UV Light to attack viruses, bacteria, harmful gases and VOC’s that True HEPA filters cannot capture. The PCO575DC Silverscreen Enhanced HEPA Air Purifier actively circulates and filters all the air in the room . Advanced sensors monitor dust and odor levels and automatically adjust output. Other features include 8 speeds, Quick clean setting, touch-sensitive controls, filter replacement indicators, sleep mode, control lock.