Specification:1.0-20 psi adjustable high Pressure Propane Regulator Valve, inlet: QCC1 NUT propane gas fitting adapter connection with handwheel grip. outlet: m8*1 NPT female pipe thread.2.Standard connector accessories: 1/8"" NPT male to 5/16"" Hose bard, 1/8"" NPT male to 1/4"" Hose bard,1/8"" NPT male to 3/8"" flare male,1/8"" NPT male to 1/4"" NPT male thread connection fitting.3.High pressure regulator inlet pressure: 25-250 psi; outlet pressure:0-20 psi, flow capacity (max): 142800 BTU/hr ;0-3 Kg/hr; Just switch the adjustable red knob to control the firepower from 0-20PSI.4.High pressure 20 PSI adjustable regulator with an all new plastic hand turn nut for easier tank swap.