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| 1. | Cut Window Grill ¼" shorter than the wall-to-wall measurements behind the window. |
| 2. | Place wall mounts on the end of Window Grill horizontal rails and position Window Grill in the opening. |
| 3. | Attach wall mount with ¼" fasteners provided with the all mounts. The screws require embedment in the structural substrate of the building of a minimum of one inch. |