Dyson Purifier Cool Gen1 TP10 purifying fan (White), Automatically senses, captures and traps pollutants. For cleaner air.cools you, Whole-room purification.Removes 99.97% of particles as small as 0.3 microns.weight: 10.43 lb, Airflow at max. setting 76 gallon, Cord length 5.9 ft, Base diameter with plate 9.7 in , 360 Combi Glass HEPA + Carbon air purifier filter, 360 Combi Glass HEPA + Carbon air purifier filter, Senses and reports, automatically Integrated sensors analyze and diagnose airborne pollutants in real time, displaying results on the LCD screen.Two phases of purification sit within our fully sealed filtration system to trap pollutants inside, removing them from the air you breathe. So what goes inside, stays inside.⁹