Sylvania 20673 (6-Pack) CF26DD/E/835 26-Watt Double Tube Compact Fluorescent Light Bulb, 3500k, 1710 Lumens, 82 CRI, T4 Shape, 4-Pin G24q-3 Base Color/Finish: Natural White Color Temperature: 3,500K Lumens (light output): 1710, 82 CRI Average Lifetime: 12,000 Hours G24q-3 4-Pin Base