Westinghouse 0700400, 46 Inch 28 Watt T5, 2900 Lumens 3500K Fluorescent Tube LIght Bulb Watts: 28, Volts: 120 Color/Kelvin Temperature: Bright White/3500K CRI: 82, Lumens (Brightness): 2900, Rated Lifetime Hours: 35000 Base: Mini Bi-Pin