The 4 C X 2 C DWV Coupling by Mueller Streamline is engineered for efficient drainage and waste management in plumbing systems. This coupling connects 4-inch and 2-inch pipes, providing a secure and reliable joint. Made from durable materials, it is designed to withstand the rigors of wastewater applications while ensuring compliance with industry standards. The coupling's smooth interior promotes optimal flow, reducing the risk of clogs and backups. Ideal for both residential and commercial installations, this DWV coupling is a crucial component for effective drainage solutions.