10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter and yet lightweight and easy

and yet lightweight and easy to handle

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actual front end outer dimensions are approximately 12 5/8" width X 18 5/8" height

+ Product Details Size - 24"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 34"w X 8"h is the size for the duct opening measurement only

10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter and yet lightweight and easy+ Product Details Size 10" x 34" or 34" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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