Regulator, CYLREG 3000 Used with Nitrogen Cylinder 3000 PSIG Max Output Assembly Pressure Rating 3000 PSIG/206.9 Bar Output 3000 PSIG/206.9 Bar Max Input, 2 Inlet Ports one with CGA-580 Brass Cylinder Connection Nipple, Other with 0-4K FS Analog Gauge 2 Outlet Ports one with 1/4-37 DEG Male for connecting to output device downstream other with 0-4K FS Analog Gauge