Product details : FESTO 175040 ONE-WAY FLOW CONTROL VALVE
One-way flow control valve GRLZ-M3 For supply Air flow control, with swivel joint. Valve function=one-way flow control function for supply Air, Pneumatic Connection, port 1=M3, Pneumatic Connection, port 2=M3, Adjusting element=Slotted head screw, Mounting type=Threaded