4" Polyvinyl Chloride Expandable Repair CouplingThe 4" Polyvinyl Chloride Compression Coupling is a reliable fitting designed to repair or replace damaged sections of PVC piping without requiring cutting or extensive reconfiguration. This coupling features a telescoping or sliding design, allowing it to extend and fit into an existing pipe system, making it ideal for quick, efficient repairs. Specification Value TYPE Expandable Repair Coupling DESIGN Expandable design for precise pipe length