The McAlpine W10 is a tank overflow fitting designed for use in plumbing installations. It is made from high-quality materials and features a 70mm flange and 3.5" tail, making it compatible with a range of different plumbing components. The W10 is an unslotted waste fitting, which means it does not feature an overflow grid. This makes it ideal for use in situations where an overflow grid is not required, such as in tanks or other similar installations. The tank overflow fitting is also designed for ease of use and maintenance. It can be easily installed in a range of different plumbing systems, and its simple design makes it easy to maintain and clean. Overall, the McAlpine W10 tank overflow fitting is a reliable and practical plumbing component that is designed for use in a range of different installations. Its high-quality construction ensures that it will last for years to come, while its simple and straightforward design makes it easy to use and maintain. ・ Available in 1¼" and 1½" sizes ・ Available in 2 tail lengths, 3½" tail and 1½" tail.