Product Overview: Dyson Hot and Cool Purifier HP09 Product Description: The Dyson Hot and Cool Purifier HP09 detects and destroys formaldehyde continuously. It captures viruses and 99.95% of pollutants as small as 0.1 microns. The purifier combines a precise solid-state formaldehyde sensor with a unique catalytic filter that continuously destroys formaldehyde. HEPA H13 and activated carbon filters also capture dust, allergens, gases, and other ultrafine pollutants. Dyson purifiers feature powerful Air Multiplier™ technology to purify the whole room. Product Features: Formaldehyde Detection and Destruction: Continuously detects and destroys formaldehyde. High-Efficiency Filtration: Captures viruses and 99.95% of pollutants as small as 0.1 microns. HEPA H13 and Activated Carbon Filters: Capture dust, allergens, gases, and other ultrafine pollutants. Air Multiplier™ Technology: Purifies the whole room. Heating and Cooling: Heats the room evenly in winter and provides a powerful stream of purified airflow to cool you in summer. Draught-Free Diffused Mode: Diverts airflow through the back of the machine to purify without cooling. Oscillation: Oscillates up to 350°. Easy Filter Change: Quick and easy to change filters with automatic filter-life notifications on the LCD or Dyson Link app. Remote Control: Curved and magnetized to store neatly on top of the machine. Night Mode: Monitors and purifies using the quietest settings with a dimmed display for lighter sleepers. How to Use: Follow the instructions provided in the user manual for effective use and maintenance. Cautions & Warnings: Consult your healthcare provider before use if you have any medical conditions or are taking any medications. Keep out of reach of children. Store in a cool, dry place. Do not use if the device or its components are damaged.