6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille 10in diameter Installation Location – sidewall and

Installation Location – sidewall and ceiling

Actual Filter Size – 24 3/4"w x 33 3/4" x 1"

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+ Product Details Size - 6"w X 6"h X 2"d (for duct opening measurement only)

6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille 10in diameter Installation Location – sidewall and+ Product Details Size 6" x 28" or 28" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 29. 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