6" x 6" Cube Core Eggcrate Return Air Grille Color_Aluminum display === 'none' || dd

display === 'none' || dd

Quality Packaging – Carefully shrink wrapped with cardboard backing to prevent damage in shipment

Measure the size of the air duct/drywall opening

actual front end outer dimensions are approximately 37

+ How To Measure A Grille

6" x 6" Cube Core Eggcrate Return Air Grille Color_Aluminum display === 'none' || dd+ Product Details Size 6" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 7. 75". High Quality High quality, rust free aluminum construction with smooth finished edges and counter sunk screw holes (screws included); no sharp edges. Installation Location sidewall and ceiling. Design Cubic core eggcrate design Offers highest airflow efficiency at almost 95%, reducing electric bills and