Tungsram 28W T5 1149mm Compact Fluorescent Tube Dim 2900lm EEC-AT5 LongLast lamps are triphosphor fluorescent lamps with 16mm outer diameter 58 of an inch. These lamps feature Starcoat Technology that delivers high quality triphosphor performance. GE produces two ranges of T5 LongLast lamps in 4 different lengths £87.71OfficeStationery.co.ukDelivery: in United Kingdom ReportBuy!