The 3-1/2 PVC Cleanout Spud with Internal Threads from Jones Stephens Corp is designed for efficient drainage and maintenance in plumbing systems. This cleanout spud is made from durable PVC, ensuring resistance to corrosion and chemical damage. Its 3-1/2 inch size is ideal for standard drainage applications, providing easy access for cleaning and inspection. The internal threads allow for secure connections with other plumbing components, meeting industry standards for performance and reliability. This product is essential for maintaining optimal drainage flow.