The FESTO QST-8-4 is a push-in T-connector designed for pneumatic systems, allowing easy and secure connections between tubing of different sizes. This fitting is part of the QS series and features a nominal width of 2.3 mm. It supports operating pressures ranging from -0.95 to 6 bar, making it suitable for a variety of industrial applications. The connector accommodates pneumatic tubing with outside diameters of 8 mm and 4 mm, providing flexibility in system design. Distributed by BSP Automation, this T-connector offers a reliable solution for managing pneumatic connections efficiently.