GE's Cool White Universal T8/T12 LED tubes replace 24-inch T8 (1-inch diameter) or T12 (1-1/2-inch diameter)fluorescent bulbs using the existing fixture and T8 or T12 electronic ballasts. It?s slim size fits in the same fixtures as traditional 24-inch T8 or T12 fluorescent bulbs. Why make the switch to LED? GE's LED tubes are rated to last 36,000 hours. They provide long 16-year life based on six hours use per day, so you?ll replace less often. They use less energy than a 17-Watt T8 or 20-Watt T12 with nearly the same light output helping you save money on energy. And, they?re mercury free. Use Cool White Universal T8/T12 LED tubes in basements and garages to provide cool, neutral white light. Size: 24 in

GE's Cool White Universal T8/T12 LED tubes replace 24-inch T8 (1-inch diameter) or T12 (1-1/2-inch diameter)fluorescent bulbs using the existing fixture and T8 or T12 electronic ballasts. It?s slim size fits in the same fixtures as traditional 24-inch T8 or T12 fluorescent bulbs. Why make the switch to LED? GE's LED tubes are rated to last 36,000 hours. They provide long 16-year life based on six hours use per day, so you?ll replace less often. They use less energy than a 17-Watt T8 or 20-Watt T12 with nearly the same light output helping you save money on energy. And, they?re mercury free. Use Cool White Universal T8/T12 LED tubes in basements and garages to provide cool, neutral white light. Size: 24 in