Way two:Mounting under a wall unit
4.1
Drill 4 holes of 4mm diameter at the bottom of the hanging cupboard
4.2
Put the one way valve on the cooker hood, then install the cooker hood on the
bottom of the cupboard, tighten the hood with the M4 screws.
4.3
Use two 3*12 screws to fix the adjusted board on the bottom of the hood in order
to keep out the gap between hood
back and cupboard.
