Fernco 2"x1-1/2" Flexible Reducing Coupling. It connects cast iron or plastic to cast iron or plastic. Made of durable PVC, it is corrosion resistant, flexible, lead-free, removable, UV resistant, underground rated, and suitable for underground use. With a maximum working temperature of 120°F and a maximum working pressure of 4.3 psi, this coupling ensures reliable performance. It comes with 2 stainless steel clamps for secure installation.