FLuorescent Lamp, Recessed Double Contact R17D Base, T12 Bulb Shape, 60, 12000 h Average Life, 4100 k, Cool White, 75 W, 5150 lm Brightness (Lumens), Soda Lime Housing Material, 1.5 in Diameter, 60.0 in Length, Rapid, -29 °C Operating Temperature, 1.34 lb/EA