Fluorescent Lamp, R17D Recessed Double Contact Base, T12 Bulb Shape, 60, 12000 H Average Life, 4100 K, Cool White, 800 Ma, 110 W, 3710 LM Brightness (Lumens), Soda Lime Housing Material, Shatter Resistant Coated, 1.5 In Diameter, 48.0 In Length, Instant;Rapid, 1.3 LB/Ea