Check the listing for details. Gas Test Pressure Gauge 30 Pound, 30 PSI/200 kPa 3/4” FNPT Brass Bell Shape Body. Condition: New. Listed at 11.95 USD. CARBO Instruments Gas Test Pressure Gauge 30 Pound, 30 PSI / 200 kPa, 3/4” FNPT Connection, Brass Valve, Forged Brass Bell Shape Body Assembly · Gas Test Gauge Assembly, 3/4” FNPT, 3-2-3% accuracy.· Brass Valve, Sturdy Steel Gauge Case, Forged Brass Body· EASY TO Read 2" Pressure Gauge, Durable Glass Lens Non Fading· Dual Scale: psi / kPa · Burdon tube type This pressure test gauge and valve body assembly is intended for pressure measuring in the gas line or tank. Dial size: 2" Connection: 3/4" NPT female, gas test body in Brass Bell Shape Gauge case: Black steel case and bezel Bourdon tube: Copper alloy Dial and Pointer: Aluminum, Window: Glass, Valve: Brass Internal Wetted parts: Brass/ copper alloy. Accuracy: +/-3-2-3% Working temperature: -4 to 140 deg F/-20 to 60 deg C. If the gauge arrives damaged, do not use it, please contact us.CARBO Instruments Gas Test Pressure Gauge 30 Pound, 30 PSI / 200 kPa, 3/4” FNPT Connection, Brass Valve, Forged Brass Bell Shape Body Assembly · Gas Test Gauge Assembly, 3/4” FNPT, 3-2-3% accuracy.· Brass Valve, Sturdy Steel Gauge Case, Forged Brass Body· EASY TO Read 2" Pressure Gauge, Durable Glass Lens Non Fading· Dual Scale: psi / kPa · Burdon tube type This pressure test gauge and valve body assembly is intended for pressure measuring in the gas line or tank. Dial size: 2" Connection: 3/4" NPT female, gas test body in Brass Bell Shape Gauge case: Black steel case and bezel Bourdon tube: Copper alloy Dial and Pointer: Aluminum, Window: Glass, Valve: Brass Internal Wetted parts: Brass/ copper alloy. Accuracy: +/-3-2-3% Working temperature: -4 to 140 deg F/-20 to 60 deg C. If the gauge arrives damaged, do not use it, please contact us.