Performance™ Ultraviolet Germicidal UV Light Double bulb germicidal ultraviolet lamp can kill mold and bacteria that may form on your indoor cooling coil. OVERVIEW The indoor coil is part of what cools your home, but it and its drain pan can also be a favorite hangout of mold and bacteria. Growth of these organisms can affect efficiency and reduce airflow. They can even become airborne.UV lamps from Carrier are designed to kill the mold and bacteria that can grow in the moist environment of your indoor coils to help keep your system efficient and clean air flowing. Features Viruses & Bacteria Intense UV light is designed to kill bacteria and mold growing on and around the indoor coil. Whole-Home Solution Installed near your indoor evaporator coil to help minimize microbial build-up and help prevent harmful particles from becoming airborne as airflows across those coils. Warranty 10-year parts limited warranty upon timely registration and a 90-day limited warranty for bulbs.1