Model P2, Rev A, Single Stage, Cylinder Gas Pressure Reducing Regulator; 1/4" Size, Cv=0.06; 316L Stainless Steel Body And Spring Chamber; 302 Stainless Steel With Tefzel Ring Diaphragm, PCTFE Seat, 316L Stainless Steel Seat, Retainer, And Poppet; Inconel X-750 Poppet Spring, Port Configuration F; CGA End Connection #580; 2-25 PSIG Range Spring; 0-30 PSIG Outlet Gauge; 0-3000 PSIG Inlet Gauge