Air Quality Sensor

"Product feature: - Brand: PHILIPS - Philips is the No.1 Brand in Air Purifiers in India (Source: Euromonitor International Limited; Consumer Appliances 2020ED) - VITASHIELD INTELLIGENT PURIFICATION: Automatically senses air quality and removes 99.97% airborne pollutants as small as 0.003 microns, 800 times smaller than PM 2.5 - FAST PURIFICATION: Purifies a standard room in just 12 minutes with a CADR of 270 m3/hour (Standard room size is 18 ft by 12 ft with an 8 ft ceiling height). Recommended room area: up to 250 sq ft. - 3 STAGE FILTRATION: Air Purifier processes the air through pre filter, activated carbon filter & TRUE HEPA Filter"