Fernco 3 in. x 1-1/2 in. PVC Flexible Coupling with Stainless-Steel Clamps adapts cast-iron, plastic, copper, steel or lead pipe materials. This flexible, underground-rated elastomeric PVC coupling features a 300-series stainless-steel clamp. Which is rust and corrosion-resistant, and features additional band slots for enhanced flexibility. Color: BLACK.