General Electric Watt UV Compatible Bulb for GBX18/UVC/2G11 18W, 2G11 UV Lamp
You are purchasing one General Electric Watt UV Compatible Bulb for GBX18/UVC/2G11 18W, 2G11 UV Lamp. Base: 2G11. The compact size of bulb allows for a small system design and design flexibility. It has an average life of 10,000 hours.