3 x 1-1/4 150 316 Reducing CouplingThe 3" x 1 1 4" 150 316 Reducing Coupling is a durable pipe fitting made from 316 stainless steel, offering superior corrosion resistance. It is designed to connect pipes of different sizes 3" and 1 1 4" with a 150 psi pressure rating. This reducing coupling ensures a secure, leak free connection, making it ideal for use in industrial applications such as chemical processing, water treatment, and other systems where both durability and corrosion