Check the listing for details. GRAINGER APPROVED 4FME3 Pressure Gauge,Test,2-1/2 In 4FME3. Condition: New. Listed at 13.20 USD. Commercial Pressure Gauge, Accuracy +/-3-2-3 Percent, Gauge Case Material ABS Plastic, Nominal Dial Size 2 1/2 in, Lens Material Acrylic, IP/NEMA Rating Not Rated, Hazardous Location Rating Not Rated, Sensor Material Bronze, Socket Material Brass, Process Connection Type NPT, Process Connection Gender Male, Process Connection Location Center Back, Process Connection Size 1/4 in, Panel-Mountable No, Pressure Gauge Type General Purpose Dial Pressure Gauge Standard Gauges with ABS Housing• Accuracy: +/-3-2-3% Acrylic lens Connection/internal material: brass/bronze Ambient operating temp.: -40 Degrees to 150 Degrees FUse with air and noncorrosive fluids such as water and oil in pumps, filters, compressors, and regulators. Glycerin-filled gauges have reduced pulsation and pointer vibration.