This expansion fitting from Allied Tube & Conduit is designed for use in PVC piping systems, offering a reliable solution for accommodating changes in pipe length due to thermal expansion. Measuring 4 inches in diameter and 15 inches long, the gray fitting is engineered to ensure a secure and tight connection while maintaining the integrity of the piping system. Its durable construction not only enhances longevity but also simplifies the installation process, making it an essential component for both residential and commercial plumbing applications.