100-Watt Equivalent CFLNI Dimmable Energy Saving CFL Light Bulb Bright White (1-Bulb)Sylvania DULUX D E Ecologic compact fluorescent lamps are long life, energy saving alternatives for incandescent lamps. The lamps are dimmable and when paired with electronic dimming ballasts, the system will maximize energy savings. These lamps have a small lamp size with the photometric benefits of a double tube lamp that provides for efficient fixture design. Dimmable, compact fluorescent lamps for use on dimming and electronic ballasts Long 20,000