Input: 2200PSI Output: 50PSI~22PSI Flux: 12 levels in adjustment Flow range: 0~4,0~8,0~15,0~25LPM Aluminium or Brass body Input: 2200PSIOutput: 50PSI~22PSIFlux: 12 levels in adjustmentFlow range: 0~4,0~8,0~15,0~25LPMAluminium or Brass bodyOutlet: barb or diss can choose Medical Oxygen Regulator(CGA870-S)