Sylvania Fluorescent Bulb, Wattage Rating: 59 W, Lamp Base: FA8 Single Pin, Lamp Shape: T8, Lamp Finish: Frosted, Lumens: 5900 Lumens, Light Color: Natural Light, Color Temperature: 5000 K, Color Rendering Index (CRI): 80, Average Life: 18,000 hr, Beam Angle: 360 deg, Dimensions: 1.25 in Dia x 94 in L