Propane Regulator Marshall Excelsior MEGR-253HP Excela-Flo; 1/4" Female Inverter Flare x 3/8" FNPT; Two Stage; 350000 BTU I Stage/ 200000 BTU II 2 Stage; Without Hose; Zinc Powder Coated; Zinc Die Casted; Internal Relief Spring Loaded Diaphragm Type; With