The 72087 3/4X1 Bronze Coupling Insert from McDonald Mfg. Co. is designed for seamless plumbing connections. This coupling insert features a durable bronze construction, ensuring resistance to corrosion and wear. With sizes of 3/4 inch and 1 inch, it fits standard piping systems, making it versatile for various applications. The insert is engineered to meet industry standards, providing a secure and leak-free connection for both residential and commercial plumbing systems. Ideal for professionals seeking reliable and efficient plumbing solutions.