Answer: airshaft

AnswerCrossword Clue
AIRSHAFTVent, typically
AIRSHAFTMine vent
AIRSHAFTPart of a ventilation system
AIRSHAFTVentilator.
AIRSHAFTVentilator
AIRSHAFTView from some tenement windows
airshafta passage for air