half spiral energy saving lamp:9W, 11W, 13W, 15W; T3(9-10mm), 110-230V, 2700K/ ... 4000K/6500K, 8000H high quality. half spiral energy saving lamp:Power: 9W, 11W, 13W, 15Wtube diameter: T3(9-10mm)Color ... only enlarges output and introduces advanced equipment, but also adopts a set of complete quality assurance system. We have CE&EMC ...