3" No Hub Coupling has a patented shield design that provides maximum transfer of pressure from the clamps-to the gasket-to the pipe. Engineered to connect no-hub cast iron pipe in applications replacing the less-efficent hub and spigot.
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov