Features 1、The welding gas meter uses thick alloy material that can withstand high pressure, the maximum output pressure is 0.35Mра. 2、The joint adopts a fine brass filter, which can easily filter small molecular impurities and significantly extend the service life. 3、Covered by transparent glass, the clear scale enables an easy and distinct reading, making the operation more convenient. 4、Fine knob promises simple adjustment, accurate pressure regulation, stable air discharge, no air leakage, higher efficiency. 5、Stepped design allows the pipeline to be more closely connected to the oxygen gas outlet, and the output flow is 0-20L/min. Specification Item Type: Welding Gas Gauge Material: Brass + Alloy + Glass Function: Welding and cutting accessories. Air Intake Nut: G5/8in-14 Outlet Interface: Approx. 8mm / 0.3in Rated Intake Pressure: 20Mра Rated Outlet Pressure: 0.35Mра Output Flow: 0-20L/min Package List 1 x Gauge Outfit 1 x Connector