3 ms·
They're actually very well sealed: if you turn off the ventilation it gets up to ~2700 PPM CO2: https://www.jefftk.com/p/framery-phone-booth-co2-accumulation ht
by jefftk 4y ago
They're actually very well sealed: if you turn off the ventilation it gets up to ~2700 PPM CO2: https://www.jefftk.com/p/framery-phone-booth-co2-accumulation https://www.jefftk.com/p/framery-phone-booth-co2-accumulatio...