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gee whiz - an airfilter with a bluetooth sensor.

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In situations where a large amount of fine dust is generated (e.g. such as my basement workshop), this might be a useful feature. I wonder if the sensor is reusable. I would guess that it may be a pressure sensor that transmits the furnace plenum's internal pressure, which the phone software app compares to the ambient air pressure. As the filter clogs and the airflow decrease, the internal pressure will go up and the app will indicate the minimum airflow as 'end of life' replacement time.



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