Introducing the LEDvance 4ft LED T8 Tube in colour 6500k (daylight). This LED T8 tube is designed for convenience when upgrading your F36w fluorescent tubes in an existing fitting. An LED T8 tube designed to be used in switch start type fittings with an external starter and also direct 240v mains wiring setups to one G13 lamp holder. Not suitable for electronic high-frequency control gear.