The McAlpine W3 1½" Backnut Sink Waste is a plumbing fitting designed for use with sinks, providing a secure and leak-free connection between the sink and the waste pipe. It features an 85mm white plastic flange, a 3½" tail, an unslotted waste design, and a plug. The W3 Sink Waste is constructed from high-quality materials and meets all relevant plumbing standards, ensuring reliable performance and durability. It is suitable for use in domestic and commercial sink installations. The 85mm white plastic flange of the McAlpine W3 Sink Waste provides a secure and leak-free connection to the sink, while the 3½" tail is suitable for most waste pipes, allowing for efficient water drainage. The unslotted waste design of the fitting does not include an overflow grid, making it suitable for applications where an overflow grid is not required. The plug is included to allow for easy closure of the waste pipe. Overall, the McAlpine W3 1½" Backnut Sink Waste is a reliable and efficient plumbing fitting that provides a secure and leak-free connection between the sink and the waste pipe. Its high-quality construction, 85mm white plastic flange, 3½" tail, unslotted waste design, and plug make it easy to install and maintain, and ensure reliable performance and durability. It is a valuable addition to any plumbing toolkit. ・ Unslotted ・ 1½" BSP ・ 85mm flange ・ 3½" Tail ・ White Plastic Backnut