Reviews
Works, easy to carry
We use this as a proxy for ventilation and airflow in small spaces like doctors' surgeries or outpatient clinics. I am immunocompromised and need to take care of myself. We tested it at home and while driving and you can see how the CO2 value changes with more people or more ventilation. Any CO2 level above 800 is considered by environmental engineers to be the bare minimum for adequate ventilation in my opinion, but do your own research. I was surprised at how poor ventilation was in many places I tested. I was breathing a lot of stale air and who knows what bacteria or viruses were floating around. Whatever you use it for, it works and you can put it in a purse or backpack for travel.
29/11/2024
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