Fluorescent light with 8% brighter illumination and a lifespan of approximately 18,000 hours. - Brand: Hotalux - Model Name: FHC114EL-LE-SHG2 - Type: Fluorescent light - Size: 20-watt only - Brightness: 8% brighter - Lifespan: Approximately 18,000 hours Thank you for viewing. Unused. I have only the 20-watt size left over because of a difference in lighting and size. Please use it when replacing fluorescent lights during the year-end cleaning. I will take measures to prevent breakage during shipping, such as wrapping it in bubble wrap.