Waterway 672-4910 2" S x 2" Spigot x (2) 3/4" SB Shur-Grip Manifold. Designed for use with Shur-Grip Plumbing Systems, these components improve the glue joint characteristics and maintain the quality of the flex hose. Constructed from corrosion resistant materials, Waterway products are suitable for use in residential and commercial applications. Trust Waterway products for all your pool or spa needs.