The 4" No Caulk Cast Iron Drain is engineered for durability and ease of installation, featuring a 3-1/2" metal spud and a 6" brass strainer. This drain is ideal for heavy-duty applications, providing reliable performance in both residential and commercial settings. The no-calk design simplifies installation, eliminating the need for messy sealants. Constructed from high-quality cast iron, this drain is resistant to corrosion and wear, ensuring longevity. It meets industry standards for drainage systems, making it a dependable choice for any plumbing project.