The FESTO QS Male Connector is a high-performance push-in pneumatic fitting designed to provide a secure, leak-free connection between pneumatic tubing and threaded ports. Manufactured from durable engineering polymer with a nickel-plated brass male thread, the QS series offers fast installation, reliable sealing, and long service life in industrial automation systems. FESTO QS male connectors are available with metric, BSP (G), and R male threads and support tube outside diameters ranging from 4 mm to 16 mm, making them suitable for a wide variety of compressed air and vacuum applications. The push-in design enables quick tube insertion and easy removal without special tools, reducing installation and maintenance time.