This gauge features stainless steel case construction to resist corrosion and impact in demanding applications. This listing is for each. Technical Specification Item Pressure Gauge Gauge Application General Purpose with Seal Gauge Nominal Dial Size 2-1/2 Basic Gauge Case Material Stainless Steel Basic Gauge Wetted Parts Stainless Steel Gauge Connection Type MNPT Gauge Connection Size 1/4 Gauge Connection Location Lower Back Gauge Primary Range Units psi Gauge Primary Range Values 0 to 600 Gauge Accuracy +/-1.00% Pressure and Vacuum Gauge Type Pressure Gauge Gauge Panel Mountable No Liquid Filled No Gauge Primary Range Smallest Graduation 10 Gauge Case Material 304 Stainless Steel Gauge Case Color Stainless Steel Basic Gauge Socket Material Stainless Steel Gauge Socket Material 316 Stainless Steel Basic Gauge Sensor Material Stainless Steel Gauge Sensor Material 316 Stainless Steel Gauge Lens Material Polycarbonate Basic Gauge Lens Material Plastic Operating Temp. Range -40 Degrees to 150 Degrees F Gauge Special Options PLUS.(TM) Performance Calibration Certificate Included No Series 1009 Includes Seal Manufacturers Warranty Length 5 yr.