10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Grille actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 30 5/8" height

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10"w X 3"h Is The Size For The Duct Opening Measurement Only

+ Product Details Size – 16" x 18" or 18" x 16" is the size for the duct opening measurement only

+ Product Details Size – 20"w X 6"h is the size for the duct opening measurement only

10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille Grille actual front end outer dimensions+ Product Details Size 10" x 22" or 22" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 23. 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