The 4 X 3-1/2" Galvanized Metal Hex Bushing from SERVICE METAL PRODUCTS is designed for reducing pipe sizes in plumbing applications. Constructed from durable galvanized steel, this bushing provides excellent corrosion resistance and longevity. With a size of 4 inches to 3-1/2 inches, it allows for efficient flow management in various systems. The hex design facilitates easy tightening and installation, ensuring a secure connection. This product meets industry standards for performance, making it an essential component for any plumbing or industrial project.