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Which CO2 sensor did you buy?
by wincy 7y ago
Which CO2 sensor did you buy?
- GaryNumanVevo 7y agohttps://www.co2meter.com/products/personal-co2-monitor?variant=1604764762132 https://www.co2meter.com/products/personal-co2-monitor?varia... this one, it's 400$ and totally worth it. I've probably made up easily $400 in productivity in a month.