Air cleaning using a three-layered filter system (prefilter + activated carbon filter + HEPA filter): domestic dust, animal hair, odours, pollen, various bacteria and viruses as well as harmful gases are filtered from the air Tests show that the three-layered filter system with HEPA H13 filter filters out up to 95% of particles ≥ 0.02 µm in size (IUTA test in April 2020 according to DIN 71460-1), 99.95% of particles ≥ 0.3 µm in size are eliminated. PM 2.5 Sensor – recognises fine dust with particle sizes of up to 2.5 µm Additional cleaning using optional ultraviolet light Timer function, For rooms up to approx. 54 m²), CADR: approx. 200 m3/h With auto function: device is controlled based on the level of fine dust pollution, 3 output levels, Quiet operation, Safety automatic switch-off