DESC: The AOS 2071 guarantees a healthy room climate throughout the year. Not only does it ensure pure air by removing even the smallest particles, it also ensures optimal air humidity. Allergy sufferers in particular can breathe a sigh of relief: With its unique filter system, the AOS 2071 efficiently reduces the levels of air pollutants such as pollen, dust, animal hairs, mites, smoke and odours. Further advantages of the AOS 2071 are its extremely quiet operation, easy handling and exclusive functional design.