Dampen the effects of pulsation and vibration on pressure readings with this 100 PSI 2-1/2" Bottom Mount ABS Pressure Gauge (8.710-291.0). This high quality gauge is liquid filled and designed for use on hydraulic and pneumatic systems. Glycerin filled gauges perpetually lubricate the movement, keeping contaminants away from internal parts, which extends the life of the gauge. It is suitable for air, water, oil, gas, and other media not corrosive to brass. The gauge features a highly durable ABS plastic case that is resistant to acid.