The McAlpine T4U 90° Bend is a plumbing component for waste and drainage systems, facilitating a 90° change in direction. It connects to a male BSP thread and features a female inlet nut for secure connection to waste pipes. Made by McAlpine, a leading UK plumbing manufacturer, it's constructed from durable polypropylene, resistant to chemicals and UV light. Designed for 4" waste pipes and compatible with specific valve models. Available in 1¼" and 1½" sizes. Installation should be performed by a qualified plumber according to local codes to prevent leaks.