Anvil 3/8"x1/4" Galvanized Reducing Pipe Coupling. It is made of durable malleable iron with a galvanized finish for enhanced corrosion resistance. This coupling is designed to connect two pipes of different diameters, providing a secure and reliable connection. It conforms to ASME B16.3 and B16.39 standards, ensuring quality and performance. Suitable for water and oil applications.