GE Lighting Garage Lighting & Basement 10117 14-Watt, 650-Lumen T12 Light Bulb with Medium Bi-Pin Base, 6-Pack 15-Inch long 1.5 inch diameter T12 with medium bi-pin (g13) base Uses 14-watts Provides 650 lumens Lasts 4.1 years based on 6 hours per day usage