Vacuum/Pressure Gauge - Bottom Mount - 2 1/2" Face - Masport Pumps
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Vacuum Manometer Mini Dial Dual Scale Dial Gauge 1/4" NPT -30HG/0PS Vacuum Pressure Meter
Ideal Vacuum | Bourdon Needle Dial Vacuum Pressure Gauge With 1/4 inch NPT Male, -30 inHg to 0 to 30 PSI, 70672076