The DiversiTech TUVL-115P Replacement Lamp with Pigtail Connector is intended to offer UV-C light disinfection for HVAC systems. The weight of this 15-inch, 17-watt lamp is 0.52 lbs. In order to stop germs like viruses, bacteria, and mold from reproducing and spreading throughout the air conditioning system, it emits UV light with a wavelength of 254 nanometers. https://www.partshnc.com/tuvl-115p-diversitech-1-yr-15in-rplc-lamp-wpigtail