Sylvania 20881 (4-Pack) CF26DT/E/IN/835/ECO 26-Watt Triple Tube Compact Fluorescent Light Bulb, 3500K, 1746 Lumens, 82 CRI, T4 Shape, 4-Pin GX24q-3 Base Color/Finish: Natural White Color Temperature: 3,500K Lumens (light output): 1746, 82 CRI Average Lifetime: 16,000 Hours 4-Pin GX24q-3 Base