Sylvania 20669 (12-Pack) CF26DD/E/841/ECO 26-Watt Double Tube Compact Fluorescent Light Bulb, 4100K, 1710 Lumens, 82 CRI, T4 Shape, 4-Pin G24q-3 Base Color/Finish: Cool White Color Temperature: 4,100K Lumens (light output): 1710, 82 CRI Average Lifetime: 12,000 Hours G24q-3 4-Pin Base