Marketing InformationThe 400A is designed to provide a fast and efficient refill, improving your toile's overall performance. It's compatible with most toilet models and can be easily installed in just a few minutes. With its innovative design and high-quality materials, the 400A fill valve ensures a reliable and quiet refill every time. Not only does it save you time, but it also helps to conserve water, making it an eco-friendly choice for your bathroom. If you're looking for a hassle-free solution to your slow-filling toilet or noisy toilet, look no further than the 400A universal fill valve from Fluidmaster®.