McAlpine Straight Adjustable Length Rigid WC Connector manufactured in durable polypropylene. This connector features an adjustable length from 97mm-107mm (inlet) to suit all pan spigots and a 4in/110mm (outlet) that fits inside the diameter of PVC-U and cast iron soil pipe. It includes a 1¼" Universal Vent Boss and is supplied with a blanking cap. Complies with BS 5627:1984 and DIN 1389-2. This adjustable feature makes it easy to achieve a tight and secure connection, preventing leaks.