Oreck Air Purifier 3-in-1 Odor Absorber Filter. Replacement odor absorber removes odors four times longer than charcoal absorbers. Converts ozone to oxygen important in high pollution areas. Reduces VOCs (Volatile Organic Compounds) such as chemical fumes created by household cleaners and synthetic materials. Use with the Super Air 7 Air Purifier models AIR7B and AIR7C and the XL Professional Air Purifier (controls on front of unit). Cannot be used on older Oreck Air Cleaner Models. Genuine Oreck air purifier filter.