The 3" FPT Standard Black Merchant Coupling is designed for connecting pipes in various plumbing applications. Featuring a 3" female pipe thread (FPT) connection, it ensures a secure and leak-free fit. Made from durable black iron, this coupling is suitable for both residential and commercial use, providing excellent strength and corrosion resistance. It meets industry standards for quality and reliability, making it a dependable choice for any plumbing project. Ideal for use in water, gas, and other fluid applications, this coupling is a versatile addition to your plumbing toolkit.