Air Purifier, Voltage 32 V AC, Number of UV-C Bulbs 1, Duct Insertion Length 16 13/32 in, Removes , Mold, For Duct -Out Height 5 13/64 in, Air Cleaning Method Ultraviolet Light, Amperage 0.6 A, Frequency 50 Hz, 60 Hz, Housing Color Gray, Includes 24V AC Ballast, Bushing, Foam Gasket, Power Cord, Sight Glass, UV Lamp Handle, Includes Mounting Hardware Yes, Mounting Hardware Included Self Tapping Screws, Overall Depth 16 13/32 in, Overall Height 5 13/64 in, Overall Width 4 19/64 in