The AeraMax Professional AM2 small space air purifier cleans the air in smaller spaces such as washrooms, exam rooms and small offices. The True HEPA filter captures 99.97% of airborne contaminants including viruses and allergens and the activated carbon filter reduces odours and VOCs (volatile organic compounds). Works in 20 - 30 metre square spaces. The patented EnviroSmart™ technology detects the environment and automatically adjusts performance for cleaner air all the time.