As you can see, you open the louvers by using a screwdriver. Because of the ornate design of the opera grilles this may be a little awkward...but it is a small price to pay for having such a great looking grille!
As you can see, you open the louvers by using a screwdriver. Because of the ornate design of the opera grilles this may be a little awkward...but it is a small price to pay for having such a great looking grille!