◆Light-duty regulator suitable for manufactory, construction and installation use. ◆ Twin gauges provide explicate display of both cylinder pressure and working pressure. ◆ Gauge with visual-friendly dual scales of psi, KPa suits a large scope    of applications. ◆Maternal high quality aluminum forging forming, cover made of high strength alloy plating processing, more durable, safe and durable. ◆Header with shockproof sheath. ◆ Inlet is protected by a sintered bronze filter.