The 2″ x 1-1/2″ Aluminum Coupler x Female Type D is a durable pipe fitting designed to connect a 2-inch pipe to a 1-1/2-inch pipe with a female threaded connection. Made from corrosion-resistant aluminum, it provides a lightweight yet strong solution for transitioning between different pipe sizes in plumbing, HVAC, and industrial systems. The Type D specification ensures compatibility with standard components, offering a reliable and leak-proof connection for fluid or gas transfer.