obra’s avatarobra’s Twitter Archive—№ 46,592

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              Air coming out of the vents immediately after departure. (You almost certainly want to mute this thread)
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            Ambient cabin air about 10 minutes into flight.
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        3 minute average of fresh air coming out of the vent.
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      (3 hours into the flight, the CO2 ppm are hovering pretty consistently at 840 fresh out of the vents and 1450 ambient.)
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    Wheels down BOS.