Valley Industries Series 40 Dual Scale Industrial 30 PSI Bottom Mount 2-1/2" SS Pressure Gauge. These gauges are designed for use with any medium not corrosive to brass or bronze. Liquid-filled gauges are recommended for reducing shock caused by pressure fluctuations or vibration

Features:
• Dial Range (PSI): 0 – 30
• Dial Range (BAR): 0 – 2
• Casing: 2 1/2" Diameter
• Movement: Brass
• Bourdon Tube: C-Shaped in copper alloy
• Pointer: Black enameled aluminum
• Dial: White aluminum
• Window: Polycarbonate – temperature compensating
• Case Material: 304 Stainless steel
• Mounting: Bottom
• Connection Material: Brass
• Connection Size: 1/4" MNPT
• Fill Material: Glycerin (liquid)
• Wetted Parts: Copper alloy
• Weight: 0.50 lbs.