Miller electric has oxygen regulator with medium duty brass single regulators, 30 series. These regulators feature forged brass bonnet ring, long T-bar adjusting screw and dual gauges in both PSIG and Kpa. Large "T" handle provides fast, accurate pressure settings. Sensitive neoprene rubber diaphragm responds quickly to pressure changes. Solid brass body, forged brass bonnet ring provide the strength needed for normal cutting and welding pressures.