The 4" No Hub Cast Iron Slab Drain with a 3-1/3" Metal Spud is engineered for efficient drainage in commercial and industrial environments. Constructed from high-quality cast iron, this drain offers exceptional durability and resistance to heavy loads. The no-hub design simplifies installation, allowing for quick assembly without the need for additional fittings. This drain is compatible with various plumbing systems and meets ANSI standards for performance and safety, making it a reliable choice for any drainage application.