16" x 16" Cube Core Eggcrate Return Air Grille Powder Coated By means of the smooth

By means of the smooth surface

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+ Product Details Size - 24"w X 12"h is the size for the duct opening measurement only

High Quality – High-quality aluminum with counter-sunk screw holes (screws included) and no sharp edges

and a polished

16" x 16" Cube Core Eggcrate Return Air Grille Powder Coated By means of the smooth+ Product Details Size 16" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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 electric