Ultimate 55W Purifying System UV for inDuct HVAC AC Clean Air for your House USA Germicidal Ultraviolet Light System for Heating and Cooling Systems Includes 1 UVC HVAC inDuct Unit, Includes 1 UVC Light Bulb (55W High Power UV with 2G11 Base) Power: 120V power cord included (50/60Hz) - Installation: Super Easy 15min Lamp: 254NM Ultraviolet Germicidal UVC (55W High Power UV with 2G11 Base) Compatible with ALL inDuct/Central Air HVAC / AC Models