Sylvania 20882 (4-Pack) CF26DT/E/IN/841/ECO 26-Watt Triple Tube Compact Fluorescent Light Bulb, 4100K, 1746 Lumens, 82 CRI, T4 Shape, 4-Pin GX24q-3 Base Color/Finish: Cool White Color Temperature: 4,100K Lumens (light output): 1746, 82 CRI Average Lifetime: 12,000 Hours 4-Pin GX24q-3 Base