This is a Sylvania 12 Inch 8 Watt Fluorescent Tube. This T5 Tube has an average life of 5,000 hours and has an B class energy efficiency rating. The colour temperature is 4000k(Cool white) These lamps are usually used in confined spaces of domestic and industrial applications. These lamps are widely used in different applications such as furniture cabinets, mobile homes as well as sign illumination. Sylvania partcode: 0000021 If you need the ballast to run this particular T5 tube see related products below for the Tridonic PC 1x4-13 Basic which runs an 8w T5 Tube.