Duct Airflow Measurement Port and Thermometer Mounting Base

This accessory is suitable for inspection and measurement of air conditioning equipment, and can be used to measure air volume and temperature by placing it against the measurement port. It can also be used as an air outlet for detecting dust in the air inside the duct.
[Features]
·Equipped with a nut detachment prevention chain.
·Chrome-plated finish.
·With 3 mounting screws.