Ultraviolet Air Treatment System; Item Ultraviolet Air Treatment System; Size 7 Inch Width x 11-7/16 Inch Depth x 7 Inch Height; Used On Item Return Air Irradiation System; Type Single Lamp; Voltage Rating 120 Volt AC; Power Rating 18 Watt; Temperature Rating -30 to 104 Deg F (Outside Duct), -30 to 140 Deg F (Inside Duct)