The Philips 800 Series Air Purifier is a powerful air purifier that can remove 99.5% of particles as small as 0.003 microns from the air. It also removes up to 99.9% of viruses from the air, making it ideal for people with allergies or asthma. The air purifier can clean a room up to 48 square meters in 16 minutes, so you can breathe easy knowing that your home is filled with clean, fresh air.