Sylvania 20586 (12-Pack) FT40DL/841/RS/ECO 40-Watt Single Tube Compact Fluorescent Light Bulb, 4100K, 2709 Lumens, 82 CRI, T5 Shape, 4-Pin 2G11 Base

Color/Finish: Cool White Color Temperature: 4,100K Lumens (light output): 2709, 82 CRI Average Lifetime: 20,000 Hours 4-Pin 2G11 BaseYou may also like OSRAM HMI 575w /DXS SFc10-4 Base metal halide light bulb.