Length: 106mm Width: 49mm A 13 Watt Triple Turn (3 Loops) Energy Saving compact fluorescent lamp with 4 pin base (GX24Q-1). This energy efficient lamp has an average life of 12,000 hours and has a B class energy efficiency rating. We stock branded cheap compact fluorescents including - PLT, Biax TE, Lynx TE, Dulux TE. *Available in colours: - Extra Warm White = 827 - Warm White = 830 - Standard White = 835 - Cool White = 840 What is this lamp commonly known as? GE - 13w Biax T/E Osram - 13w Dulux T/E Sylvania - 13w Lynx T/E Philips - 13w Master PL-T Other: Triple Turn, TC-T/E Please note - These lamps should be replaced like for like. If you have a 13w lamp in your fitting, it must be replaced with a 13w lamp. You cannot reduce or increase the wattage.