The 3/4" 300# Galvanized Malleable Iron Coupling from Service Metal Products is a robust fitting designed for connecting pipes in high-pressure plumbing and industrial applications. Made from durable galvanized malleable iron, this coupling offers excellent corrosion resistance and strength. With a pressure rating of 300#, it ensures a secure and leak-proof connection. The 3/4" diameter is compatible with standard piping systems, making it a versatile choice for various installations. This coupling meets industry standards, providing reliability and safety in your piping systems.