The internal shot seems to show two large air filters, what are they for then?
Curious of Shrewsbury
Dear Curious of Shrewsbury
What you are looking at are the mixing chambers for the cabin conditioning. It is where the left and right packs and the recycled air is mixed together before it is pumped into the cabin. There are no filters in the air conditioning system of the Air Bus or in general of any aircraft. Due to the way the air is dried they are not necessary. Saying that I am sure someone via the internet could prove me wrong. The 737 has zonal drying filters, but that is in the cargo compartments to stop spurious smoke warnings.
Matt