Signature SHD901X Manuel D'utilisation page 60

11) Install the Aluminum Exhaust Pipe into the air outlet and lock
it with a Cable Tie; the other end of the Aluminum Exhaust Pipe
will be pulled upward to outdoor and lock it with a Cable Tie
(Note: This step can be ignored if use as recirculation mode
with carbon filter).
COMPONENTS:
Aluminum Exhaust Pipe X 1
Cable Tie X 1
Aluminum tape X 1
Aluminum
Exhaust Pipe
EN-21
Cable Tie
provided with
an Aluminum
tape&a
Cable Tie to fix
the aluminium
pipe.