Lamp, Fluorescent Type, Cool White, Glass/Metal, 48in Length, Recessed Double Contact (R17D) Base Type, 60CRI Color Rendering Index, 4000K Color Temperature, 1-1/2in Diameter, 3825lm Lumens, T12 Shape, 60W Wattage, 12000hr Life Hours, 4ft Nominal Length, Rapid Start Type, For Commercial/Industrial