Fernco 1-1/2" Qwik Elbow. This flexible PVC fitting is compatible with cast iron, steel, plastic, copper, and lead pipe used in DWV systems. It has a 90-degree bend and a maximum working pressure of 4.3 psi. The fitting is corrosion-resistant, flexible, lead-free, and removable. Easy to install, it comes with stainless steel clamps.