CONTINENTAL EDISON BX2-E-C6E6D01 Guide D'utilisation page 46

Step7.Install the lower chimney on appliance
again, then screw it to the wall with 2 screws of
diameter Φ 4 mm and the corresponding wall
plugs (not supplied).Also screw the chimney and
the hood with 2 screws(ST4x8mm)
Step 8.Fix the upper chimney bracket on the
upper chimney by 2 screws .
Step 9.Pull the upper chimney upwards to the
target height and mark the holes on the wall.
ST4 x 8 mm
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