This 5 watt low energy Osram Dulux S 2 pin compact fluorescent with a G23  base has an extra compact design and an integral starter for use with conventional control gear. The quality triphosphor coating gives this energy efficient compact fluorescent lamp excellent colour rendering. Please be careful choosing your lamp as you can only replace like for like wattages. 5W cool white lamp with 8000 hour average lamp life Ideal where light is required for extended time periods such as offices, shops and hallways. Available in Warm White and Cool White