POWERTEC 4" ID Dust Collection End Cap for 4" OD Pipes, 4-Pack 70452-P4

These end caps seal 4-inch outer diameter dust collection pipes to prevent dust leaks and maintain optimal airflow in your workshop. Made from flexible PVC rubber, they stretch slightly for a snug fit and resist corrosion and water damage. The simple push-on design requires no tools or adhesives. Use them to close off unused ductwork, protect threaded hardware, or create finished ends on tubing. Four caps per pack.