Matheson G250-150-540, Single Stage Oxygen Regulator, 150 PSIGCondition:* Used, Old Stock. Not In OEM Packaging. Additional Notes:* Size: Medium Duty* Gas Service: Oxygen* Delivery Range (psig): 150* CGA 540 Connection: Oxygen* 9/16”-18 Outlet Connection Male* Designed For Medium Duty Gas Welding And Cutting Operations* Industrial Regulator at an Economical Price* Color-Coded Knob For Easy Gas Identification* 2-Inch Easy-To-Read High Contrast Gauges* Regulator Bonnet Is Made From a High-Strength AlloyMathesonG250-150-540