CIARRA CBCS6906D Manuel De L'utilisateur Et D'installation page 14

Installation
4. If the cooker hood is installed at the bottom of the cabinet, please
follow Way 2 below.
Way 2:
1) Use the drilling tool to open a 165mm diameter air pipe hole and
a power cord hole at the bottom of the cabinet according to the
installation diagram.
EN
2) Press the lock on the left of the grease filter and pull it downward.
Pull out the slide and detach the other grease filter.Then put the cooker
hood under the cabinet.
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