Philips Linear Fluorescent T5 Light Bulb: 12-Inch, 4100-Kelvin, 8-Watt, Miniature Bipin Base, Cool White Philips 8-watt Linear Fluorescent light bulb brightens laundry rooms, bathrooms, or workspaces. Versatile for multiple applications, this 4100-kelvin Fluorescent bulb is suitable for indoor, commercial, and residential use. Features a Miniature Bipin base. Low-mercury design creates a smaller environmental footprint. Philips reuses as much glass and packaging material as possible, reducing environmental impact. Lamp life of 7,500 hours. This product ships as a single bulb.