The visually striking feature of the Air 7000 series is its finely brushed metal housing, which predestines the air purifier for use in modern living environments. The high-gloss touch display is scratchproof and easy to operate. The air quality sensor is detachable so that users can easily check the air quality everywhere in the home. The filtration system of the Air 7800 N automatically adjusts to the detected air quality via Bluetooth link.