This acetylene regulator is designed for small MC tanks and air acetylene applications, providing stable gas flow control for welding, heating, brazing, and metalworking tasks. It features an AR-MC CGA200 inlet connection for secure compatibility with small MC acetylene cylinders. The 3/8"-24 LH outlet connection allows secure hose attachment and reliable gas delivery. A built-in pressure gauge makes it easier to monitor acetylene pressure during operation. Its heavy-duty brass body offers dependable sealing, pressure resistance, and long service life.