Digital Manometer Differential Pressure Gauge, 2PCS 31.5'' Long Soft Tubes, 13 Selectable Units, 2 Ports Gas Pressure Tester HVAC Digital Manometer, LCD Screen & Indoor Temperature Measurement

GIMYUAN Portable Digital Manometer comes with a nice storage bag, easy to carry and keep.2pcs longer Soft Tubes(Length of each: 31.5- inches)Compact size, suitable for handheld operation.Help you test and check the air and gas pressure accurately with the better pressure sensor.Powered by 9V battery.