The Holyoake door grille range offers a completely sight-proof and architecturally pleasing exhaust or return air grille.
Louver blades are available as either parallel to the long dimension or parallel to the short dimension.
Two blade styles are available: DG-52 or DG-17.
A double banked grille is available with the DG-17 louvered blade as DG-1700, allowing both sides of the door to have a finished appearance irrespective of the door thickness.
Available in channel (flangeless) surround or flanged frame with or without matching back flange.