Get accuracy and longevity from the Valley Industries Universal 0-300 PSI Glycerin Filled Pressure Gauge. This ¼” NPT brass bottom mount pressure gauge is perfect for commercial/industrial applications that involve air, gas, oil and water or anything not corrosive to brass. Featuring a 2.5” facing that is enclosed with a 304 stainless steel casing and acrylic window. Keep vibrations and pulsations to a minimum with the glycerin fill that also lubricates the brass movement on the aluminum dial. Grade B accuracy (ASME/ANSI B40.1, 3-2-3%) for uniform consistency. Other features include copper alloy wetted parts, aluminum pointer and C-shaped bourdon tube.