ProSource FC56-44 Coupling, 4 x 4 in, Cast Iron, Plastic and Steel Drain Pipes, PVC, Black

The ProSource pipe couplings are designed to replace standard fittings. It's suitable for use with cast iron, plastic, copper or steel and underground. Not for use on pressurized plumbing systems. For replacing standard SWV fittings in underground applications Features: - Measures 4 in x 4 in - Flexible PVC construction