8W 8 Watt UVC G5 T5 Germicidal Ultraviolet Light Bulb Anyray brand 8 Watt Germicidal Fluorescent Ultraviolet Light Bulb 8W 12-Inch in length and fits the T5 Bi Pin Life: Approx. 10,000 Hours bulb life 100% Ozone Free Short-wave UV radiation with a peak at 253.7 nm (UVC) for disinfection purposes