10" x 14" or 14" x 10" Cube Core Eggcrate Return Air Grille Brown actual front end outer dimensions

actual front end outer dimensions are approximately 37

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Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

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10" x 14" or 14" x 10" Cube Core Eggcrate Return Air Grille Brown actual front end outer dimensions+ Product Details Size 10" x 14" or 14" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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