Carefully shrink wrapped with cardboard backing to prevent damage in shipment
No Sharp Surface Edges - Screws Included
20w" x 20h" opening (vent hole) dimension - actual size is approx 2" wider. Aluminum is Beauty and Strength all in one. You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of you air system. These grilles and registers give you an extra measure of quality that you can point out to your family members and house guests. Some of our best features aren't readily apparent, but you’ll appreciate the benefits over a long period of time. This grille has a high standard of design, production and finish on all products. Every part is hand inspected for quality before it is packaged, no exceptions. No Sharp Surface Edges. Just run your finger along the edge of the top plate and you’ll find a smooth finished surface. Heavy Gauge Steel. Heavier gauge than needed, built for durability and long life in mind, but still very thin.
Related to the 20" x 20" Aluminum Return Grille - Easy Air FLow - Linear Bar Grilles [Outer Dimensions: 21.75"w X 21.75"h]