Vacuum and compound ranges through 0 psi to 20,000 psi.
Pressure Gauge, 4 in..5" 304SS Case, 316SS Internals, 30/30 psi, 1/4 NPT Male Back Conn, 304SS Panel Mount Clamp Cleaning for Oxygen Service O2 is available only for dry or HL Halocarbon filled gauges. 304SS Case, 316SS Internals, 3000 psi/kg/cm2, 1/2 NPT Male Bottom Conn, Glycerin Filled.