The McAlpine BOSS110TCAST-BL is a black mechanical two-piece cast iron soil pipe boss connector designed for connecting a waste pipe to a soil pipe. It features a simple, dry-fixing mechanical connection suitable for condensate discharge only. This durable component is easy to install with a two-piece design and a supplied fixing tool, ensuring a secure, leak-free connection. It is designed for a 22mm drill size and is suitable for use with 4'/110mm, 3½"/90mm, and 3"/82mm soil pipes, and for 1¼" and 1½" waste pipe sizes. The black finish offers a sleek, modern appearance for plumbing systems in both commercial and domestic applications.