This Philips air purifier and humidifier's powerful filtration can handle large spaces up to 78 m². It will even clean a 20 m² room in less than 10 minutes - perfect at home or the office. Its three-layer HEPA filtration captures 99.97% of particles down to 0.3 microns in size. That's smaller than the smallest known virus! And NanoCloud technology releases an ultra-fine mist into the air that's invisible to the naked eye. It helps to combat dry air symptoms like chapped lips, dry skin and scratchy throat.Good to know- The active carbon layer traps and removes nasty pongs to keep your home smelling fresh- It removes 99.99% of airborne viruses and bacteria including Influenza and COVID-19- AeraSense technology scans the air 1000 times a second and shows the results in real time- Sleep mode runs whisper quietly with dimmed lights so it won't stop you from catching your Zzzs- Use it every day without worrying about the bills thanks to its low energy consumption- Download the Home ID app to track the air quality and control it remotely from your phone