6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille w16h16 + Product Details Size -

+ Product Details Size - 22"w X 26"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 34"h is the size for the duct opening measurement only

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

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6" x 26" or 26" x 6" Cube Core Eggcrate Return Air Grille w16h16 + Product Details Size -+ Product Details Size 6" x 26" or 26" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 27. 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