The McAlpine STW85WHM is a mushroom flange designed for use with McAlpine STW 1.5" shower traps. The flange is constructed from high-quality materials to ensure durability and long-lasting performance. The STW85WHM mushroom flange is designed to fit standard 1.5" UK plumbing and is easy to install. It is used to cover the hole around the shower trap and provide a neat and tidy finish. The mushroom design of the flange allows for a greater surface area, which helps to distribute the weight of the shower tray more evenly and reduce the risk of cracking or damage. The McAlpine STW85WHM mushroom flange is a reliable and cost-effective option for use in shower traps where a neat and tidy finish is desired. Its sturdy construction ensures that it can withstand regular use without cracking or breaking, while its mushroom design helps to distribute weight more evenly. Overall, the STW85WHM mushroom flange is a great choice for anyone looking for an affordable and reliable solution to cover the hole around their shower trap and provide a neat and tidy finish. Available in White Plastic or Chrome Plated Stainless Steel Available in 70 or 85mm sizes | McAlpine STW85WHM Mushroom Flange for STW 1.5" Shower Traps in White