The GR-1/8-B is a flow control valve manufactured by FESTO. With a one-way design and an operating pressure range of 0.5 - 10 BAR, this valve allows for precise control of pneumatic flow. It features a non-return function and a G1/8 pneumatic connection, making it suitable for various industrial applications. Its compact size, measuring only 3mm in width, ensures easy installation and integration into pneumatic systems.