GE Lighting Active Spaces 16091 32-Watt, 2700-Lumen T8 Light Bulb with Medium Bi-Pin Base, 36-Pack 48-Inch long 1.0 inch diameter T8 with medium bi-pin (g13) base Uses 32-watts Provides 2700 lumens Lasts 13.7 years based on 6 hours per day usage