The NIBCO S21563016 is a 4" tubular end connection PVC socket fitting, designed for efficient flow management in plumbing and industrial applications. This fitting is constructed from high-quality PVC, ensuring durability and resistance to corrosion. Its socket design allows for easy installation and secure connections, making it suitable for various piping systems. Meeting industry standards, this fitting is ideal for both residential and commercial applications, providing a reliable solution for professionals.