14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper + Product Details Size -

+ Product Details Size - 14"w X 36"h is the size for the duct opening measurement only

production and finish on all products

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

enhancing the entire room with its elegant presence

14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper + Product Details Size -+ Product Details Size 14" x 20" or 20" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 21. 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