A high quality branded 13 Watt 2 Turn (2 Loops) Energy Saving PL-C compact fluorescent lamp with 4 pin base (G24q-1). This energy efficient PL-C lamp has an average life of 12,000 hours and has a B class energy efficiency rating. We stock branded cheap double turn CFLs - PL-C, Biax DE, Lynx DE, Dulux DE. Length:131mm *This PL-C lamp is available in colours: - Extra Warm White = 827 Warm White = 830 Standard White = 835 Cool White = 840 Daylight = 860/865 What is this lamp commonly known as? GE - 13w Biax D/E Osram - 13w Dulux D/E Sylvania - 13w Lynx D/E Philips - 13w Master PL-C Other: Double Turn, TC-D/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. *Image is for illustrative purposes only*