GD 105 44 120 ME is a Fisher pressure regulator. It is a pneumatically-operated, self-contained, direct-operated pressure regulator designed for controlling air, nitrogen, or other non corrosive gases. The product features an adjustable outlet pressure, integrated pressure relief valve, and a large, easy-to-use handwheel for rapid pressure setting. The regulator comes with a variety of end connections, including flanged, threaded, and socket weld. The product is suitable for many industrial, commercial, and laboratory applications.