Fernco 4 in. x 3 in. PVC DWV Mechanical Flexible Coupling

Fernco Couplings have earned a reputation for consistent, superior performance, giving you full confidence in their quality and reliability. The dimensional flexibility of Fernco couplings ensures leak-proof pipe seals on virtually any pipe material. All flexible couplings are clearly marked with part number, size, and pipe material that the coupling will connect to.