This Spears PVC DWV adapter bushing features spigot x sewer and drain hub connections, providing a secure and reliable transition between DWV and S&D piping systems. Designed for non-pressure drain, waste, and vent applications, it offers excellent corrosion resistance, smooth flow characteristics, and long-lasting durability. Manufactured to meet ASTM D2665, D1784, CSA B181.2, and NSF/ANSI standards.