... Price ISO Certified Factory Long lifespan:8000hrs hot sale half spiral 26W/30W/36W E27 energy saving lamp E27 Energy Saving ... dark area2) High center intensity, 2 times higher than normal spiral lamp, about 6 times higher than U shape lamp3) Luminous ... range from 2U/3U/4U/5U/6U/8U,half&full spiral,lotus shape.plum blossom shape,cylinder&reflection shape,umbrella&candle ...