Introducing the Sylvania 21137 compact fluorescent bulb [CF13DS/835] - an energy-efficient lighting solution designed to brighten up your space while saving on electricity costs. This compact fluorescent bulb is perfect for both residential and commercial applications, offering a reliable and long-lasting lighting solution. With a power rating of 13W and a voltage of 120V, it provides ample illumination while consuming minimal energy. Featuring a T4 shape and a color temperature of 3500K, this bulb emits a warm white light that creates a cozy and inviting atmosphere. Whether you need to illuminate your living room, office, or any other indoor area, this bulb delivers a pleasant and soothing glow. Not only does the Sylvania 21137 compact fluorescent bulb provide exceptional lighting quality, but it also boasts an impressive lifespan. With an average rated life of 8,000 hours, you can enjoy years of reliable illumination before needing a replacement. This bulb is also environmentally friendly, as it is mercury-free and complies with strict energy efficiency standards. By choosing this compact fluorescent bulb, you are not only reducing your carbon footprint but also contributing to a greener and more sustainable future. Upgrade your lighting setup with the Sylvania 21137 compact fluorescent bulb [CF13DS/835]. Experience the perfect combination of energy efficiency, longevity, and superior lighting quality. Illuminate your space with confidence and enjoy the benefits of this reliable lighting solution.