14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille w36h36 text-align: center

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Actual Filter Size – 29 3/4"w x 29 3/4" x 1"

75" width X 26

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille w36h36 text-align: center+ Product Details Size 14" x 34" or 34" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 35. 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