Crossword Genius

Ventilation system parts (5)

Ross

I believe the answer is:

ducts

'ventilation system parts' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for ducts that I've seen before include "Enclosed conduits for fluid" , "Channels" .)

I've seen this clue in The Wall Street Journal.
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