A high quality branded 18 Watt 2 Turn (2 Loops) Energy Saving compact fluorescent PL-C lamp with 2 pin base. This energy efficient PL-C lamp has an average life of 20,000 hours and has a B class energy rating. With integral starter for Conventional Control Gear Ideal for miniature luminaires and downlights for shallow recesses 2 Pin lamp available in a range of colours. . What is this lamp commonly known as? GE - 18w Biax D Osram - 18w Dulux D Sylvania - 18w Lynx D Philips - 18w Master PL-C Other: Double Turn, TC-D