Air purifier for clean room air - ideal for room sizes from 15 to 35 m². With HEPA and activated carbon filter. Cleaning capacity up to 250 m³/h. Innovative functions. Intelligent sensor technology, 3-stage automatic mode, Active light indicator, Variable speeds, Intelligent light sensor. Optiflow. Detects even distant dust or smoke particles and distributes the fresh air optimally... in the room. PM2.5 display. In addition, the display shows the current PM2.5 particle load of the indoor air. Easy filter change. A filter change indicator guarantees constant air quality. The practical filter cassette can be replaced quickly and easily.