Mobile best room air is used when maximum air quality is required. Foreign substances, such as allergens, fine dust, smoke, bacteria, and viruses, are reliably removed from the room air with the aid of the 4-stage filter system. The integrated air quality sensor determines the pollution of the room air and shows the current quality on the display. It is suitable for room sizes from 15 m² to 50 m². Features include an H13 HEPA filter, integrated anion generator, display for showing air quality, timer function, three ventilation levels, automatic restart after power failure, and a sleep function for whisper-quiet operation, including the switch-off of display lighting. Filter change color: white, similar to RAL 9003. Further technical features: width 400 mm, weight 6.8 kg, power consumption per stage 4.9/8.6/10.2/40.2 W, depth 190 mm, height 617 mm.