Pan Connectors - 4" Straight Pan Connector.Fitting Instructions: 1. Generously lubricate the WC pan outlet with washing up liquid or any other water soluble lubricant. 2. Push the Connector over the WC Pan Outlet until it meets the stop.3. Push the barbed end of the Connector into the Soil or Sewer Pipe. NOTE: DO NOT push the barbed end into a soil or sewer coupling or socket. It will not seal correctly.