The Philips Silent Protect Air Purifier 3200 series, comes with best in class filtration of 99.97% removing pollutants as small as 0.003 microns (33x better than competition products). This device is equipped with our new SilentWings technology, making it 50% quieter than other models of the same size. It also comes with many convenience features like App Control with Wifi, Real time AQI display, Temperature,HumidPhilips AC3220/60 Smart Air Purifier for Home | Real Time AQI Displayity sensors, and is super energy efficient (consumes only 36 W)Philips AC3220/60 Smart Air Purifier for Home | Real Time AQI Display