Dyson Pure CoolT TP01 Air Purifier and Fan - White/Silver. 7.7"D x 7.9"W x 40.1H. Captures and traps pollutants for cleaner air.. Amp Diameter : 4.3 Inch. Cord Length : 6.6 feet.360° filtration system combines a filter to remove odors and gases with HEPA to capture 99.97% of particles 0.3 microns in size. Air Multiplier technology generates the circulation power to draw distant pollutants into the machine, projecting purified air throughout the whole room. Choose between 0° and 70° oscillation. The filter is quick and easy to change. With automatic filter-life notifications on the machine. Program your machine to turn off after pre-set intervals.