Please follow the instructions given below

Steel Dampers at back

Screws attached to Damper

Use screw driver to lose screws

Remove screws from damper

Keep screws safe to re use them

Detach damper from face plate

Keep damper if required

You can fix them back

Fix damper back on face plate
and insert screws in the holes.

You may require to clean the floor register or want to re-paint them. This is easy way to remove and fix it back. The steel dampers at back are removable and can be removed just using screw driver, as shown. For more details please contact us.