UV Light 14" 18w 24Vac power recommended to add dedicated 24Vac transfomer to your HVAC system, designed to be installed in Air conditioning coil to reduce mold and bacteria growth. OZONE FREE bulb 254Nm with magnetic bracket for easy installation. 16,000 Hours lamp life new technology LongLife+. Improve Indoor Air Quality - Emit Ultraviolet (UV) Light to reduce mold and bacteria growth. Energy saving lamp costs pennies to operate, Reduce mold and bacteria growth in your HVAC system, save energy and improve HVAC efficincy by keeping the components clean.