The Dyson Purifier Hot+Cool HP1 combines powerful heating and cooling with advanced purification to keep your space comfortable and clean. Air Multiplier™ technology projects over 76 gallons of smooth airflow per second, heating rooms evenly in winter or delivering fast cooling in summer. The combined Glass HEPA and Activated Carbon filter captures 99.97 percent of particles as small as 0.3 microns, including allergens and pollutants. Auto-mode monitors air quality and adjusts airflow automatically to save energy. Oscillating up to 350 degrees, purified air circulates throughout the entire room, and the MyDyson™ app lets you control settings, track air quality, and schedule operations from anywhere. Filter replacement is easy and guided via the LCD screen or app. Includes: purifier, 360° Glass HEPA and Activated Carbon filter, remote control. Dimensions: 9.8" base diameter, 30.1" H. Weight: 11.7 lbs.