Ensure better indoor air quality with this Puremate 7-in-1 Intelligent Air Purifier. This unique air purifier is equipped with advanced sensor technology which automatically monitors air quality. With built-in sensors, the device detects the presence of dust, allergens, and odours effortlessly. Once detected an LED light indicates the amount of pollution in your room and offers solutions to clear the same. This unit features sever leading technologies covering virtually every pollutant ioniser (with relatively no ozone), HEPA filter, activated carbon filter, photocatalytic oxidation filter, germicidal UV lamp, dust collection grid and washable pre-filter. Easy to use, the unit comes with a powerful, quiet fan and is perfect to cover a 650 ft² area.