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4.3.5 Flexible Air Intake Way (Bottom side or Rear side)
The frame size of air inlet in rear and bottom is the same. It’s very easy to switch to match different
application.
4.3.6 Communication wire connection
A6 duct uses two wires without polarity connection way, which almost has no mistake during the
installation.
Air intake from rear (Standard)
Air intake from bottom (Optional)