Luxrite F54T5/841/HO 54W 46 Inch T5 Fluorescent Tube Light Bulb, 4100K Cool White, 4200 Lumens, G5 Mini Bi-Pin Base, LR20770, 10-Pack WATTAGE: 54 Watts COLOR TEMPERATURE: 4100K (Cool White) LIGHT OUTPUT: 4200 Lumens LIFETIME: 20,000 Hours SIZE/BASE: 46IN T5 - G5 Mini Base