This is a high quality, accurate, glycerine filled gauge. Glycerine helps protect the gauge from vibration/shock damage and reduces needle chatter as found in traditional dry gauges.

Gauge Specification:

• Stainless Steel Body
• Liquid (Glycerine) filled
• 100 Psi 
• Black Face
• Standard 1/8 Npt Back Entry Male Thread
• 1.5” Gauge Face