Pressure Gauge, 4" 304SS Case, 316SS Internals, 300 psi, 1/4 NPT Male Bottom Conn, Noshok, Mfr#: 40-400-300-psi-1/4

Pressure Gauge, 4 in. 304SS Case, 316SS Internals, 5000 psi, 1/2 NPT Male Back Conn, 304SS Bezel & U-Clamp. Corrosion-resistant fillable dry or liquid-filled gauge. Vacuum and compound ranges through 0 psi to 20,000 psi. 316 Stainless Steel wetted parts. Cleaning for Oxygen Service O2 is available only for dry or HL Halocarbon filled gauges.