KENT Aura Room Air Purifier 45-Watt with HEPA Technology (White) Kent Aura air purifier comes with advanced HEPA (High Efficiency Particulate Arrestor) technology which can effectively remove 99.9% of harmful PM 2.5 pollutants from the air. The HEPA filter has antibacterial coating which kills all the bacteria from the air. Inbuilt ionizer improves the freshness of the air and keeps air in your home fresh at all the times. It comes with intelligent light censor to monitor the air quality. The activated carbon filters used in the Kent Air purifier can easily remove the foul smell, formaldehyde, Cigarette smoke, pet odour, smoke and other pollutants commonly found at homes and work places.