The 3 x 2-1/2 150 304 Stainless Steel Reducing Coupling – SP114is designed to connect two threaded pipes of different diameters, providing a secure and efficient transition between pipe sizes. Its reducing design simplifies size-mismatch connections at equipment ports and eliminates the need for additional fittings such as nipple-and-bushing combinations. The coupling features MSS Class 150 stainless steel construction and ASME B1.20.1 NPT threads, ensuring durability and compatibility with standard piping systems.