Effectively removes 99.9% of dirt. Need to keep a large room clean? Then AeraMax Professional IV is the perfect solution. Ideal for large rooms with floor areas between 55 and 130 m², such as conference rooms, classrooms, fitness rooms and canteens. Perfect for community spaces where large numbers of people often gather. It removes up to 99.9% of airborne contaminants, taking facility cleanliness to a new level.