Philips Series 800 Air Purifier AC0819/73

" <strong>Intelligent auto purification mode : </strong>Intelligent auto purification mode, powered by professional grade sensor, automatically sense, and react to even slightest change in the air. <strong>Color indication for real-time air quality : </strong>4-step color indication for real-time air quality ranging from blue (good) to red (poor), gives reassurance about the air quality in your home. <strong>Ultra-quiet operation with dimmed light in sleep mode : </strong>In sleep mode, display lights are dimmed and the purifier operates in near silence for clean air while you sleep, as low as 35db(A)*. Perfect for using in bedroom or baby room. <strong>Effective purification : </strong>Effectively removes 99.5% nano-sized particles as small as 0.003um (800 timessmaller than PM2.5). including PM2.5, pollen, dust, and pet dander, etc.* Removes 99.9% bacteria & virus. Effectively removes harmful gases like TVOC, ordor, etc. Make sure you breathe healthy air always. </ul>"