Narva TL-D FC60w/T5 - T5 Circular Fluorescent Tube 60W - Colour Cool White - 840 - GX13 Cap 60watt Colour 840 Cool White 2gx13 Circular T5 Average Rated Life 12000hrs Slim 16mm Circular Tube Colour 4000k Cool White Ideal For Use In Shops Offices Public Areas Etc