The 4" No Hub Cast Iron Drain with a 3-1/2" Metal Spud from Braxton Harris Co Inc is engineered for efficient drainage in commercial and residential plumbing systems. This durable cast iron drain features a no-hub design for easy installation and secure connections. The 3-1/2" metal spud allows for versatile applications, ensuring compatibility with various drainage systems. With a robust construction that meets industry standards, this drain is designed to withstand high pressure and heavy loads, making it ideal for use in kitchens, bathrooms, and industrial settings.