Ultraviolet Air Treatment System; Item Ultraviolet Air Treatment System; Size 10 Inch Width x 18-7/8 Inch Depth x 8-1/2 Inch Height; Used On Item Return Air Irradiation System; Type Dual Lamp; Voltage Rating 120 Volt AC; Power Rating 36 Watt; Temperature Rating -30 to 104 Deg F (Outside Duct), -30 to 140 Deg F (Inside Duct)