ProSource 4 in. x 4 in. Flexible PVC Coupling

The ProSource 4 in. x 4 in. Flexible PVC Coupling is engineered specifically for underground installation to connect corrugated polyethylene drainage pipe and irrigation systems to plastic drain, waste, and vent (DWV) piping. It features an integrated internal ring stopper that ensures positive pipe seating and a secure connection. Constructed from flexible polyvinyl chloride, this coupling provides dependable performance and straightforward installation in non-pressurized gravity drainage systems. It is not designed or rated for use on pressurized plumbing applications.