The Dyson Pure Hot+Cool purifier heater has triple functionality. It purifies all year round, quickly heats the whole room in winter and keeps you cool as a fan in summer. As a purifier, it removes 99.97% of as small as 0.3 ns from your home. Its 360˚, vacuum-sealed glass HEPA filter also helps capture s and harmful toxins. And whether heating or cooling, Jet Focus Control lets you select personal mode for a powerful stream of focused air, or diffused mode for wide projection. The machine also features a sleep timer mode and an easy-to-clean aperture. Non-connected machine.