63mm 10 BAR Side Entry Dial Pressure Gauge 1/4" BSP European Thread Manometer - Pipe Fittings - Amazon.com
Amazon.com: 1pcs 1/4 Inch NPT Side Mount 10 Bar Metal Water Oil Air Compressor Pressure Gauge Manometer Pressure Measuring Tool : Industrial & Scientific
Mugast 1Pcs Mini Pressure Gauge, High Precision 0-6 bar Pressure Meter with 1/4" NPT Thread for Fuel Air Oil Liquid Water
Amazon.com: 50mm Pressure Gauge, 1/8 BSPT Thread Horizontal Installation Manometer with Bar inHg Dual Scale for Air Water Oil Gas : Industrial & Scientific