Westinghouse 0702900, 48 Inch 32 Watt T8, 3100 Lumens 4100K Fluorescent Tube LIght Bulb Watts: 32, Volts: 120 Color/Kelvin Temperature: Cool White/4100K CRI: 86, Lumens (Brightness): 3100, Rated Lifetime Hours: 30000 Base: Medium Bi-Pin