5 ms·Fractions of what a human requires per day would be a more meaningful unit.by NegativeLatency 4y agoFractions of what a human requires per day would be a more meaningful unit.valarauko 4y agoI agree. The article says the device produces about 6 grams of Oxygen per hour, and some quick online searching suggests the average human needs about 840 grams per day. So 6 of these test devices should be sufficient for an average person.Angostura 4y ago"1 leg's worth"