Energy saving lamp 25 watt half spiral Energy saving lamp half spiral 25watt ModelRated powerBasePlasticTemperaturePowderLifetimeFull spiral 25 wB22PC2700kHalogen3,000hrs 25 wE27PP6500kMixed6,000hrs 25wB22PBT6500kTricolor8,000hrsFeatures:1) No ... dark area2) High center intensity, 2 times higher than normal spiral lamp, about 6 times higher than U shape lamp3) Luminous efficacy ...