Milton high quality dry gage for reliable service with compressors, filters - regulators - lubricators, air-lines, pneumatic tools and equipment. Resistant to heat, corrosion, water, salt water, and oil. Can be used in steam applications if less than 120 degrees F. Brass mechanism; ABS case; Polycarbonate lens. Maximum working pressure: should be limited to 75% of dial range Maximum working temperature: -13 degrees to +120 degrees F. Bottom mount. 0-160 PSI range. 2 face.