The 4" x 3-1/2" Sch 40 Pannella Cleanout is engineered for effective drainage management, featuring a countersunk plug that simplifies access for maintenance. Constructed from high-quality materials, this cleanout is designed to withstand the rigors of both residential and commercial plumbing systems. Its schedule 40 rating ensures compatibility with standard piping, while the gasket-less design allows for quick and easy installation. This cleanout is essential for preventing blockages and ensuring smooth drainage flow in various applications.