This 3-inch DWV Coupling Domestic Adapter is designed for reliable and long-lasting connections in drainage, waste, and vent (DWV) systems. Featuring a Spigot x Hub connection, it provides a secure fit for smooth installation and dependable performance. Constructed from durable cast iron and built to handle temperatures up to 140°F, this adapter is made to withstand demanding conditions. Manufactured to meet ASTM D-2665 standards, it ensures quality and compliance for residential and commercial plumbing projects. With its precise 3-inch nominal size on both ends, this coupling makes joining pipes simple, effective, and efficient.