MODEL "P3", TWO STAGE CYLINDER GAS PRESSURE REDUCING REGULATOR 1/4" SIZE, CV=0.06; BRASS BODY, 6061 AL SPRING CHAMBER; 302 SST W/TEFZEL RING DIAPHRAGM,PCTFE SEAT,316L SST SEAT RETAINER,316L SST POPPET,INCONEL X-750 POPPET SPRING,PORT CONFIGURATION "E"; FNPT END CONNECTION; 2-25 PSIG RANGE SPRING; 0-30 PSIG OUTLET GAUGE; 0-600 PSIG INLET GAUGE;