2 x 1 1/2 Stainless Female x Male Coupler - Type DAThe 2 x 1 1 2 Stainless Female x Male Coupler Type DA Cam and Groove Reducer Coupler is a versatile and durable pipe fitting designed to connect two pipes of different sizes using a female and male threaded connection. Made from high quality stainless steel, this coupler ensures excellent resistance to corrosion, making it ideal for applications in harsh environments, such as chemical processing, food and beverage industries, and plumbing systems.