FESTO Pressure Hoses & Connectors Connector piece 612239 - FESTO 578299, The FESTO Connector piece 578299 is a pneumatic connector with an external thread size of 4 mm. It is designed for secure and efficient connections in pneumatic systems. Typically used in industrial automation and machinery, this connector ensures reliable performance in various applications. FESTO 578299 Connector piece NPQH 4 mm external thread
