Digital Pressure Switch Vacuum Digital Electric Contact Water Pump Pipeline Fire Negative Differential Pressure Gauge

High-concerned chemical：None Model Number：Y810 Max Measuring Range：49 PSI & Under Dial Diameter：4 - 6.9 Inches Brand Name：CNYANNUA Origin：Mainland China Display Type：ANALOG Certification：NONE

High-concerned chemical: None Model Number: Y810 Max Measuring Range: 49 PSI & Under Dial Diameter: 4 - 6.9 Inches Brand Name: CNYANNUA Origin: Mainland China Display Type: ANALOG Certification: NONE