IPEX Canplas SDR 35 6 In. Sewer and Drain PVC Coupling is designed for use with thin wall drain and sewer pipes, including ASTM 2729 and SDR-35 drain and sewer pipes that comply with ASTM 3033 and D3034 standards. Its primary purpose is to join two straight lengths of pipe together securely. This coupling provides a reliable connection, helping to maintain the integrity of the sewer or drainage system. It's an essential component for connecting and extending PVC pipes in sewer and drainage applications. Model Number: 414216BC