Keep your family safe and healthy with the SPT-AC-7014W Air Purifier. This elegant air purifier features the latest in air cleaning technology like Pre-Filter, HEPA Filter, Activated Carbon Filter, UV light, TiO2, and Ion Flow Technology. The Pre-Filter and Anti-Bacterial Pre-Filter function as nets to trap large particles. The HEPA filter captures up to 99.5% of all airborne pollutants like spores, pollen pet dander and dust. TiO2 technology uses the process the of photo catalyst titanium dioxide to oxidize and decompose organic materials, odors, and bacteria. UV Light acts as a sterilizing mechanism by destroying harmful bacteria and fungi. The Ion Flow technology uses negatively charged ions to bond to positively charged airborne particles and drops them to the ground.