13W Single Twin Tube Compact Fluorescent Bulb [F13TT/DS/E/841]. This high-quality bulb is designed to provide efficient and long-lasting lighting solutions for various applications. With an average life of 12,000 hours, this bulb ensures extended usage before requiring a replacement, saving you time and money. The 4-pin (2GX7) base allows for easy installation and compatibility with a wide range of fixtures. Featuring a color temperature of 4100K, this bulb emits a cool white light that is ideal for task-oriented environments such as offices, kitchens, and workspaces. The Color Rendering Index (CRI) of 82 ensures accurate color representation, enhancing visibility and creating a comfortable lighting atmosphere. Measuring at a MOL (Maximum Overall Length) of 6.39 inches, this compact bulb is designed to fit seamlessly into various fixtures without occupying excessive space. Its twin tube shape further enhances its versatility, providing a wider distribution of light. With a wattage of 13W, this energy-efficient bulb offers significant energy savings compared to traditional incandescent bulbs, reducing your electricity costs without compromising on brightness or performance. Whether you need to illuminate your workspace, enhance the ambiance of your living space, or simply replace an existing bulb, the 13W Single Twin Tube Compact Fluorescent Bulb [F13TT/DS/E/841] is the perfect choice. Experience long-lasting, efficient, and reliable lighting with this exceptional product.