Model Number: 40254 Item Package Length: 4.599999995308" Item Package Width: 3.699999996226" Item Package Height: 1.49999999847" Ensure your toilet's fill valve functions like new with the Fluidmaster Pro Series Fill Valve Replacement Cap. This high-quality replacement cap is designed for easy installation and a secure fit on Fluidmaster Pro Series fill valves, providing reliable performance and long-lasting durability. If your toilet isn't filling properly, a worn or damaged fill valve cap could be the cause, and this simple replacement can restore your toilet to optimal functioning. Perfect for both professionals and DIY enthusiasts, the Fluidmaster Pro Series Fill Valve Replacement Cap helps maintain your toilet’s efficiency, preventing water waste and potential leaks. Made from durable materials, this cap ensures a secure seal, and the precise design guarantees a perfect fit for your Fluidmaster Pro Series fill valve.