*Bull nose medical oxygen regulator *Aluminum body all brass inner core *12 flow rates *Barb or DISS outlet *Output:50 PSI Body style: Bull nose styleMaterial: Lightweight aluminum alloy bodyOutlet:DISS outletFlow rates: can be 0-4lpm, 0-6lpm, 0-8lpm, 0-15lpm,0-25lpmColors :can be anodized to green, red, silver, black, gold, brown, blue, purpleOutput pressure:50PSIDiameter: 1 3/8 NominalLength: 4 ...