The Dyson HP07 captures dust and allergens, removing up to 99.95% of particles as small as 0.1 microns. Automatically detects, airborne particles and gases, then diagnoses and reports them in real time. Air Multiplier technology generates the circulation power to purify the whole room. Sealed airflow and filtration system so the whole machine, not just the filter, meets HEPA H13 standard. What goes inside, stays inside. Control and monitor air your quality from anywhere using the Dyson Link app. With long-range projection, it’s quick to heat the whole room evenly. In warmer weather, a powerful stream of purified airflow can cool you down.