8" x 14" or 14" x 8" Cube Core Eggcrate Return Air Grille Black and Diffusers

and Diffusers

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

How to Measure Your Vent Hole Before Ordering a Grille

875" width X 21

8" x 14" or 14" x 8" Cube Core Eggcrate Return Air Grille Black and Diffusers+ Product Details Size 8" x 14" or 14" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 15. 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