This 3" IPS Cast Iron Drain Base is designed for use with a 3-1/2" spud and a 9" pan, making it ideal for various plumbing applications. Constructed from durable cast iron, it provides excellent strength and stability, ensuring reliable drainage. The drain base complies with industry standards, making it suitable for both residential and commercial plumbing systems. Its robust design allows for easy installation and long-lasting performance, making it a dependable choice for any drainage project.