Luxrite LR20822 (2-Pack) F24T5/835/HO 24-Watt 2 FT T5 High Output Fluorescent Tube Light Bulb, Natural 3500K, 1635 Lumens, G5 Mini Bi-Pin Base Color/Finish: Natural Color Temperature: 3,500K Average Lifetime: 20,000 hours Lumens (light output): 1635 G5 mini bi-pin base