Element Air Blu UV Light Sticks come in a 1 year warranty version or a 2 year warranty version. The Element Air Blu UV stick light features a quick-release lamp, which requires no tools for the lamp replacement. It comes standard with four easy-to-install mounting options. The patent-pending Blu UV stick lights economically provides UV light disinfection and protection to the AC coil surfaces from bacteria, virus, mold and mildew growth and odor. This results in a cleaner and more efficient energy-saving system. The high efficiency 24 volt ballast box comes included with an LED integrated lamp status indicator and lens to show the unit is operational for easy maintenance and a high-quality long life UV lamp.