HFS(R) Oil Filled Vacuum Pressure Gauge -2.5″ Dial Size, 1/4″ NPT Lower Mount
Encased in stainless steel with copper alloy components, it ensures long-lasting performance. With a 2.5″ dial and 1/4″ NPT lower mount, it’s easy to install and read. [APPLICATION]: Normal Ambient Temperature: -4°F to +140°F (-20°C to +60°C).