A T5 LongLast™ High Efficiency Linear Fluorescent Lamp, dimmable, suitable for retail, office, school, commercial, industrial, sports hall application. The lamp feature Starcoat™ technology that delivers high quality tri-phosphor performance. The High Efficiency T5 LongLast™ brings lumen efficacy up to 105lm/W. Combined with an extremely long service life, this range of lamps is ideally suited for commercial and retail application in both direct and combined direct/indirect luminaire.