GE 97616 (6-Pack) F26TBX/835/A/ECO 26-Watt Energy Smart Ecolux Triple Tube Compact Fluorescent Light Bulb, 3500K, 1710 Lumens, 82 CRI, T4 Shape, GX24q-3 Base Color/Finish: Natural White Color Temperature: 3,500K Lumens (light output): 1710, 82 CRI Average Lifetime: 12,000 Hours 4-Pin GX24q-3 Base