Satco 40 Watt T12 Fluorescent Cool White Medium Bi-Pin Base Tube Light Bulb is a high-quality fluorescent lamp designed to deliver bright and efficient lighting. Operating at 40 watts, this T12 tube bulb emits a cool white light with a color temperature of 4100 Kelvin, making it i for commercial and industrial environments where clear, energetic illumination is essential. The bulb features a high color rendering index (CRI) of 90, ensuring that colors and details appear vivid and true to life under its light. Equipped with a medium bi-pin base, this tube light is easy to install in a wide range of fixtures, providing reliable performance and long-lasting brightness. Model Number: S6637