Box Damper Installation Instructions
Parts included: One box damper, one plastic cap and two screws. Tools needed: Small Phillips screwdriver
Put cap on the open/close lever of the box damper.
Bend the lever slightly to fit between the louvers of the vent.
Center the box damper on the wood vent.
Secure the box damper to wood vent with a screw on each end of the wood vent.