General description This Draper 1/4' Male Thread PCL Tapered Airflow Coupling is designed for use with standard BSP parallel adaptors. It features a positive lock single action, making it ideally suited for various compressed air applications. Technical specifications Maximum airflow rate: 1197 L/min (42 cfm) at 6.9 bar (100 psi) Maximum working pressure: 13.8 bar (200 psi) Other information Sold loose This is a Draper product.