Full Spiaral T4 15W CFL Light 1.Energy saving 2.Environment friendly 3.Long life:8,000hrs Full Spiaral T4 15W CFL Light1. Energy saving up to 85%2. High luminous efficiency3. Excellent light distribution4. Low light decline, low energy loss.5. Withstanding high temperature and high pressure6. 100% tri-phosphor rare earth fluorescent powder7. Using brand glue to make lamp tighter8. Special ...