The Dyson Pure Hot+Cool Link Purifier Heater HP03 automatically captures gasses and 99.95% of fine particles such as allergens and pollutants. Dual-layer 360deg HEPA filter 3x more graphite to capture harmful gases Thermostat heat control Monitors and reports air quality via the Dyson app Automatic night-time mode The Dyson Pure Hot+Cool Link Purifier Heater HP03 features 360deg glass HEPA filter to capture ultrafine particles from the air including pollen, bacteria and pet dander. With Air Multiplier technology, you can enjoy uninterrupted stream of smooth airflow. This purifier heater can also be used for long-range personal heating or fast, even room heating. Quick and smart control Automatically monitors, reacts and purifies – then reports to your Dyson Link app, so you can remotely control your environment. In warmer weather, a powerful stream of purified airflow can cool you down and with long-range, purified heat projection; it’s quick to heat the whole room evenly. Purification all year round. Purifying fan or heater when you need it. Heats with thermostat control in winter. Cools you in the summer. Purifies all year round.