Its powerful UV-C technology eradicates harmful mold and bacteria when installed near the evaporator coil or dip pan, prolonging the life of your HVAC system for long term savings and fewer maintenance visits. Eliminates 99.9% of airborne contaminants and harmful mold and bacteria growth around the HAVC drip pan and evaporator coils. Enclosure made from durable powder-coated sheet metal. Minimal maintenance; one lamp change per year. Non-ozone producing quartz glass bulb. Conforms to UL STD 1598 and CSA STD22.2 #250.0.