MODEL "P1", SINGLE STAGE 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; 2-100 PSIG RANGE SPRING; NO OUTLET GAUGE; NO INLET GAUGE; PANEL MOUNT; SELF-RELIEVING AND MECHANICAL STOPS; CLEANED FOR OXYGEN SERVICE PER SPEC #S-1134;