Fresh air duct connecting part of an external window to the W401 ventilation plant air handling unit. It looks like a wall on the left but is actually part of the AHU. 24 Sep 2011.
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See full size image Caption: Fresh air duct in W401 plant room, 24 Sep 2011 Description: Fresh air duct connecting part of an external window to the W401 ventilation plant air handling unit. It looks like a wall on the left but is actually part of the AHU. 24 Sep 2011. Alt text: Fresh air duct in W401 plant room, 24 Sep 2011 Image credit: Team Urbex - ATF Photo subject date: 24/09/2011 |