GE Lighting 22181 F382D/835/4PIN Energy Smart 2D CFL 38-watt 2850-Lumen 2D Light Bulb with GR10q-4 Base, 1-Pack 2D shape with GR10q-4 base for use in torchiere fixtures Uses 38 watts Provides 2850 lumens Lasts 9.1 years based on 3 hours per day usage 3500K light appearance Bulb Shape : T5