UVGI technology - Kills germs, viruses, bacteria, and other microorganisms that cause disease. * Electrostatic Purification - Negative ions reduce airborne pollutants as small as 1 micron such as allergens, pollen, mold, smoke, pet dander, unpleasant odors, dust, and other airborne irritants. * Whisper Quiet Fan and Night Light - Silently cleans and sanitizes the air around you. * Carbon Filtration - Reduce odors and adsorbs volatile airborne pollutants. * Eco-Friendly Design - With just 7.5W of ultra-low energy consumption and NO costly filters to replace, the purifier is a bargain for you and the environment.