Iron Ring Decorative Resin Vent Cover Grille Register 12" X 6". Overall Size 14"x8". Grille will come unpainted in an off white color. We recommend spray painting for best adhesion. Grille is made for 12" x 6" opening. Overall size is about 14" x 8" Grille will come with predrilled screw holes and screws. Back of the grille is flat. It will go over your opening, nothing will go inside.