Ecolume CFL Compact Fluorescent 3 Way Spiral Light Bulb - - Ecolume Eco/13/20/25 CFL.

Three-way compact full spectrum fluorescent spiral bulb delivers the energy saving and environmentally friendly features of CFL with the convenience of three light levels. Screw in socket fits conventional three-way lamps.

Produces approximately five times more light and lasts up to 13 times longer than a standard incandescent bulb! Lasts up to 10,000 hours.

13/20/25 watt lighting levels; incandescent equivalent of brightest light is 115 watts. 1700 lumens. Maximum overall length is 5.75". Not for use with dimmers.