The product is a genuine OEM Kohler GP77548 Coralais single control faucet valve. This valve is designed for plumbing use and is made of durable materials such as nylon, stainless steel, and plastic. It is compatible with Kohler brand faucets and features a round shape with a 0.5-1.0 inch diameter. This unit includes one valve and is suitable for various plumbing applications. Made in the United States, this valve is a reliable and high-quality component for home improvement projects.