10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille w8h8 + Product Details Size –

+ Product Details Size – 20" x 20" is the size for the duct opening measurement only

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Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

actual front end outer dimensions are 13

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10" x 16" or 16" x 10" Cube Core Eggcrate Return Air Grille w8h8 + Product Details Size –+ Product Details Size 10" x 16" or 16" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 17. 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