GL80 Screw Cap with Pressure Gauge, Quick Connect Air Hose Fitting and Adjustable Switch ,Blue Thread GL80 Bottle Cap for Monitor Pressure( -0.1-0MPa/-1-0KG)

GL80 thread design:With GL80 thread design, which can be perfectly matched with various GL80 bottle tops to ensure the sealing and stability. Use for:Sample bottle that uses a standard, GL80 screw cap With pressure gauge:The GL80 thread cap with graduated pressure gauge, it will easier to read and control the pressure inside the bottle.It has 2 types( -0.1-0MPa/-1-0KG) of scales to meet your needs for different scales With quick connect: It can be easy to connect to 6mm air hose to input or extract gases Adjustable switch: There is an adjustable switch to flexibly control the pressure inside the bottle according to the need, which is convenient for experimental operation and result controlYou may also like 557 Digital Manifold HVAC Gauge System Kit Pressure Gauge Refrigeration Meter External Vacuum Digital Manometer ,Easy to Install.