HVAC Premium 10¡Á22 x 10¡Á22 3-Way Supply Grille ¨C Duct Cover u0026 Difuser ¨C Low Noise ¨C for Ceiling ¨C with Opposing Damper Blade

10w’ x 10h’ opening vent hole dimension – actual size is approx 2′ wider.The back blades are from black plastic to reduce air noise and visable appearance. Also the back blades are ‘Opposing’ not overlapping to better control damper and superior air dispersion. But they are also the most visible representation of you air system. Metal-Fab 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 arent readily apparent but youll appreciate the benefits over a long period of time. Metal-Fab 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 youll find a smooth finished surface. Heavy Gauge Steel. Heavier gauge than needed built for durability and long life in mind.