The McAlpine WF21 Wasteflow with 1½" Waste Outlet Fitting, Plug, Chain and 2 Way Connector is a plumbing fitting designed for use with kitchen sinks. The WF21 Wasteflow is a standard waste outlet that connects to the sink, while the plug and chain prevent water from flowing out when needed. The 2-way connector is used to connect a dishwasher or washing machine to the waste system. The WF21 Wasteflow is a 1.5 inch BSP threaded waste outlet, which means it can be connected to standard pipework using a compression fitting or similar. The outlet is designed to fit into a 90mm diameter hole in the sink, and comes with a rubber sealing washer to ensure a watertight seal. The plug and chain assembly is designed to prevent water from flowing out of the sink when needed, such as when filling the sink with water for washing dishes. The plug fits into the waste outlet and is connected to the chain, which allows the plug to be easily removed and replaced as needed. The 2-way connector is used to connect a dishwasher or washing machine to the waste system. It is designed to be inserted into the side of the waste outlet, and has two branches to allow the waste from the appliance to flow into the system. Overall, the McAlpine WF21 Wasteflow with 1½" Waste Outlet Fitting, Plug, Chain and 2 Way Connector is a comprehensive solution for a clean and efficient kitchen waste system, providing easy-to-use plug and chain assembly and a convenient 2-way connector for connecting appliances. ・ Available without trap, or with FJ10 or FSK10 trap ・ 1½" Multfit Outlet ・ For information on Wasteflow Products click here ・ Supplied with flexible overflow tube and CP overflow grating ・ 1½" BSP male thread on inlet will require a Wasteflow fitting