This McAlpine WC-CON-EXT is a straight telescopic WC socket extension designed for plumbing installations. It extends the waste pipe of a toilet further from the wall for proper installation and clearance. The socket extension is made from high-quality, durable polypropylene and features an adjustable telescopic design for versatile installation needs. It is suitable for all 4"/110mm PVC-U and cast iron soil pipe, and fits all pan spigots with its 97-107mm inlet. The overall length is 133mm, and it can be cut to avoid restricting flow. It is easy to install and suitable for domestic and commercial applications, meeting relevant industry standards and regulations. Available with a finned outlet for 4"/110mm pipe diameters and a plain end outlet to fit 110mm soil or underground pipe fittings. Includes a 1¼" Universal Vent Boss and a blanking cap.