6" x 14" or 14" x 6" Cube Core Eggcrate Return Air Grille Color_White accordion-header h3 { margin: 0

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+ Product Details Size – 6"w X 14"h is the size for the duct opening measurement only

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6" x 14" or 14" x 6" Cube Core Eggcrate Return Air Grille Color_White accordion-header h3 { margin: 0+ Product Details Size 6" x 14" or 14" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 15. 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