22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 24 5/8" width X 26 5/8" height

+ Product Details Size - 16"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 22" x 30" or 30" x 22" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 30 5/8" width X 16 5/8" height -

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22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Grille Aluminum actual front end outer dimensions+ Product Details Size 22" x 26" or 26" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 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