Air Purifier Compatible HVAC System Size 1.5 to 5 tons Number of UV-C Bulbs 1 Duct Insertion Length 15 in Voltage 120V AC Removes Airborne Bacteria Mold and Fungi Viruses Mounting Location Sheet Metal Air Duct Filters Included Carbon Air Cleaning Method Photocatalytic Oxidation Frequency 60 Hz Germicidal Efficiency 93.6 Percent Housing Color White Includes UVC Germicidal Lamp (2) Fork Terminals Includes Mounting Hardware Yes Maximum Air Flow Capacity 2000 cfm