Part Number: 46523Part Number Description: CFL23/41/GU24Non-DimmableWattage - 23w (100w equivalent)Voltage - 120v Color Temp - 4100KLumens 1,600lmBulb Shape - T2 SpiralBase - GU24Length - 4.41" Diameter - 2.13" 2 year factory warranty (limited).