uxcell 2Pcs 1/8BSP 0-12 Bar 0-180 PSI Male Threaded Round Dial Air Pressure Gauge Manometer: Amazon.com: Industrial & Scientific
Bar Air Pressure Gauge 13mm 1/4 BSP Thread 0 180 PSI 0 12 Manometer Double Scale For Air Compressor Iron Diameter about 52mm|pressure gauge|air pressure gaugepressure gauge air - AliExpress
1/4"NPT Air Hydraulic Pressure Gauge 0-6 bar Side Mount Manometer 2.3"Face: Amazon.com: Industrial & Scientific
Manometer 0...4 Bar; case 60 mm connection backside 1/4" - HortiHeating.Shop