Jones Stephens is the choice of Professionals. Our No Hub Couplings are a quick and easy way to connect hubless plastic, cast iron and steel pipe together. They can be used for soil waste, vent lines and storm drainage applications. Our No Hub Couplings are made from 304 Stainless Steel for extreme durability and meet all the toughest standards in the industry including ASTM C1540-2018, NSF CISPI 310 and are UPC listed.