Sylvania 64468 (6-Pack) M1000/U 1000-Watt Metal Halide HID Light Bulb, 4000K, 110000 Lumens, 65 CRI, E39 Mogul Base

Color/Finish: Clear Color Temperature: 4,000K Average Lifetime: 12,000 Hours Lumens (light output): 110,000 Mogul baseYou may also like Sylvania 20886 (12-Pack) CF32DT/E/IN/841/ECO 32-Watt Triple Tube Compact Fluorescent Light Bulb, 4100K, 2400 Lumens, 82 CRI, T4 Shape, 4-Pin GX24Q-3 Base.