ProSource 4 in. Shielded No Hub Coupling

The ProSource 4 in. Shielded No Hub Coupling connects no hub drain pipes on any combination of plastic, steel, or extra-heavy cast iron pipes. It is engineered for simple, reliable installation across compatible drain, waste, and vent pipe systems. Constructed with a Series 300 stainless steel shield and a durable neoprene gasket, this pipe coupling provides a secure, corrosion-resistant seal. This coupling is not recommended for underground applications.