4U Energy Saving Lamp We can offer U shape energy saving lamps, including 2U, 3U 4U and 6U Lamps, half spiral / full spiral Energy Saving lamps, globe energy saving bulbs ... energy saving lamp 36W, 45W, 55, 65W, 75W, 85W, Base :E27 E40 Features: Saves up to 80 % of energy compared to an incandescent bulb ...