CMTOOL Digital Manometer LP Gas Pressure Tester Water Column Manometer with 12 Selectable Units Gas Pressure Test Kit, Natural Gas Pressure Tester Handheld Manometer HVAC Tools with LCD Screen : Amazon.ca: Industrial
Ambu® Disposable Pressure Manometer – single patient use manometer
HT 1890 Manometer
Digital Dual Port Manometers | Static Pressure Meters & Probes
Dwyer MARK II 40-1 Inclined Manometer, 1" WC from Cole-Parmer Canada