The McAlpine WC-CON4 is a rigid WC connector designed for connecting a toilet bowl to a soil pipe. The connector has an inlet diameter of 97-107mm and an outlet diameter of 4"/110mm, with a 20mm offset. The inlet diameter of 97-107mm means that the connector can fit a range of toilet bowl sizes within this range. The outlet diameter of 4"/110mm is a standard size for soil pipes in the UK, so this connector will be compatible with most soil pipes. The 20mm offset is designed to allow for some flexibility in installation, as it can accommodate slight variations in the alignment of the toilet bowl and soil pipe. Overall, the McAlpine WC-CON4 is a high-quality, reliable connector that is suitable for most toilet bowl and soil pipe configurations. It is important to ensure that the connector is installed correctly and securely to prevent any leaks or other issues. ・ Available with finned outlets for 3.5"/90mm and 4"/110mm PVC-U and cast iron soil pipe diameters (internal), and with plain