The large-capacity unit is ideal for commercial use. It is excellent for smoke damage, mold, mildew, pet odor and other sources of odor commonly found in building maintenance and refurbishing. Will minimize odor in any indoor location, including basements, kitchens, bathrooms and more. Provides rapid deodorizing for hotel/motel rooms, meeting rooms, used cars and boats. Requires no routine maintenance. Durable poly housing stacks for easy storage or transporting. No plates or UV tubes to maintain.