Negative Pressure Meter with Clear Scale Durable Vacuum Pressure Gauge 7.2mm

Features: Measuring range : -0.1~0MPa. Outer diameter: 4cm/1.6in, connection pipe size: 7.2mm/0.3in. With green & red range indicator, green shows for safety, red for dangerous. Made of quality plastic & metal, durable & sturdy. Suitable for Y40 air pump, sputum suction machine,etc.

Specifications: Material: Plastic+Metal Pipe size: 7.2mm/0.3in Outer diameter: 4cm/1.6in

Package Includes: 1x Vacuum Pressure Gauge

note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.