Bosch Air 2000 Air Purifier - For Areas up to 37.5 m² - Effectively Filters Over 99% of Pollutants - Includes Air Filter, Smart Sensor, Auto Mode, Sleep Mode (< 25 dB(A)) - CADR: 180 m³/h Bosch Air 2000 Air Purifier - For Areas up to 37.5 m² - Effectively Filters Over 99% of Pollutants - Includes Air Filter, Smart Sensor, Auto Mode, Sleep Mode (< 25 dB(A)) - CADR: 180 m³/h.