LSE Lighting ASIH1003 for use with UME1900T UME1902T UME19242T UME1924T Brand: LSE Lighting - Lamp and Quartz Sleeve Assembly - Base Type: 4pin Cell Type Length Approx: 17" - Super Life: 17,000hrs This replacement UV Lamp by (LSE Lighting brand) is fully compatible for use with Ultravation models UME1900T UME1902T UME19242T UME1924T. All lamps listed are compatible brand (LSE Lighting) UV products. We do not sell Ultravation brand lamps. All Ultravation brand names, trademarks and logos are property of Ultravation.