Fernco's ProFlex shielded specialty couplings are used by professionals nationwide. These high quality new line of ProFlex shielded couplings connects cast iron, plastic, steel, copper and tubular, drain waste and vent systems. Now, you can get all your couplings requirements from the world's number one single source supplier of flexible couplings, Fernco. These ProFlex shielded specialty couplings have earned a reputation for consistent, superior performance, you can have full confidence in their quality and reliability. Color: BLACK.