This tailpiece from Waterway is a top-quality product that will meet your needs perfectly. It is designed to fit a 2-1/2 slip x 2-1/2 buttress thread and is made with durable materials that will last. Whether you are using it for your pool equipment or for a DIY project, this tailpiece is a great choice. The brand Waterway is known for its high-quality products and this one is no exception.