UC100 replacement lamp (36-watt) for use with UV100 ultraviolet air treatment systems (UC100A1013, UC100A1054, UC100E1014, UC100E1030, UV100A1018, UV100A1059, UV100A2008, UV100E2009, UV100E3007). Ultraviolet light penetrates microorganisms and breaks down molecular bonds causing cellular and/or genetic damage. Made from sodium-barium silicate and don't produce ozone. SnapLamp™ feature reduces costs by reusing bulb handle. Sealed unit prevents accidental installer / homeowner contact with high voltage and ultraviolet rays. Safe design prevents lamp from lighting unless base is correctly mounted on HVAC duct.