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A comment on Air Quality Monitors Compared: AirGradient vs. Purple Air. Parent comment

Re:Air Quality Monitors Compared: AirGradient vs. Purple Air by gnosek on Wednesday May 15, 2024 @06:56AM (#40365228)
I'm happy with a TFA Dostmann 31.5009.02 Monitor CO2 AIRCO2NTROL Coach. Does what it says and you can get the measurements over USB if you want too.
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