The 4" PVC Hub Fitting Cleanout with 3-1/2" IPS Brass Cleanout Plug is essential for maintaining drainage systems. This cleanout fitting is made from durable PVC, ensuring long-lasting performance and resistance to corrosion. The 4" hub design allows for easy access to plumbing systems for cleaning and maintenance, while the included 3-1/2" IPS brass cleanout plug provides a secure seal. Ideal for residential and commercial plumbing applications, this product meets all necessary plumbing standards for safety and reliability.