14" x 36" or 36" x 14" Cube Core Eggcrate Return Air Grille Supply Grille + Product Details Size –

+ Product Details Size – 34"w X 18"h is the size for the duct opening measurement only

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actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

Its elegant look and fine finish and the natural warmth of oak wood will change the appearance of the entire room

Its sturdy construction guarantees a smooth

14" x 36" or 36" x 14" Cube Core Eggcrate Return Air Grille Supply Grille + Product Details Size –+ Product Details Size 14" x 36" or 36" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 37. 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