The McAlpine T4U 90° Bend - Female Inlet Nut x BSP Male Connector is a plumbing component used in waste and drainage systems. This particular model of bend is designed to allow a 90° change in direction in a waste pipe while also connecting to a male BSP (British Standard Pipe) thread. The female inlet nut allows for easy and secure connection to the waste pipe, while the BSP male connector allows for connection to other plumbing components or fixtures. The McAlpine T4U 90° Bend is made by McAlpine, a leading manufacturer of plumbing products in the UK. It is made of durable materials such as polypropylene and is designed to be resistant to chemicals and UV light. Installation of the McAlpine T4U 90° Bend should be done by a qualified plumber, following local codes and regulations. It is important to ensure that the bend is installed correctly to prevent leaks and other issues in the waste and drainage system. The T4U model specifically is designed for use with a 4" waste pipe. ・ Available in 1¼" and, 1½" sizes ・ For use with [MACVALVE-1] and [MACVALVE-2]