For reliable connection, use this Easyflex EF-NHC-400N NSF certified standard 4" no hub coupling! With a 301 stainless steel shield, 304 stainless steel bands, and soft rubber gasket molding, this connector is safe and reliable. With a watertight seal and low expansion and contraction, this no hub coupling is secure for even difficult jobs. Plus, with its vibration-resistant design and (2) 9/16" clamps, this no hub coupling is a reliable addition to your establishment!

Overall Dimensions:
Size: 4"