The 3" Cast Iron Kentucky Inside Caulk Drain from Braxton Harris Co Inc is engineered for durability and efficiency in drainage systems. This drain features a robust cast iron construction, providing excellent resistance to corrosion and wear, making it ideal for heavy-duty applications. With a standard 3-inch diameter, it fits seamlessly into most plumbing setups. The inside caulk design ensures a secure and leak-free installation, while its compliance with industry standards guarantees reliable performance. Perfect for commercial and industrial use, this drain is a trusted choice for professionals.