MainsFit LED tube light bulb. Can be directly wired into your existing fixture. Ideal way to replace existing T8 and T12 fluorescent tubes. Provides a simple rewiring solution to maximize energy savings while reducing maintenance costs by removing the ballast from your fluorescent system. Eliminates the need to replace your ballast due to failure down the road, while also being able to replace both T8 and T12 lamps. Uses a double ended design which makes the product safe and simple to install. In residential settings, this light bulb is perfect for laundry rooms, kitchens, garages and basements and in commercial settings in retail offices, parking garages or industrial spaces. Unlike fluorescent bulbs, it contain no mercury, offering a safe and sustainable, solution, while operating well in cold temperatures.