This 4" cast iron cleanout is designed for durability and reliability, featuring a 3" countersunk brass plug for easy access and maintenance. Ideal for drainage systems, this cleanout meets industry standards for strength and performance, ensuring long-lasting use in both residential and commercial applications. The robust cast iron construction provides excellent resistance to corrosion and wear, making it suitable for various environments. This cleanout is essential for maintaining optimal drainage and preventing clogs in plumbing systems.