Sylvania 64445 - MS400/HOR 400 watt Metal Halide Light Bulb

Color/Finish: Clear Color Temperature: 4,200K Average Lifetime: 20000 hours Lumens (light output): 39000 CRI: 65You may also like Sylvania 20732 - FPC40/835 Circular T5 Fluorescent Tube Light Bulb.