This is model has a shifter to enable you choose Air Exaction or Air Recirculation
working mode. This cooker hood supplied as air exaction mode as default, when
you choose air recirculation mode, make sure the plastic cover removed from the
cooker hood as per below drawing.
Remove mesh filters from the cooker hood then you will see the shifter, you can
choose air exaction mode or air recirculation mode by turning the shifter to
corresponding position.
ducting mode