6" x 12" or 12" x 6" Cube Core Eggcrate Return Air Grille w8h8 Efficient Airflow Design: The slots

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

production and finish on all products

Scratch-Resistant

is fireproof and ensures efficient thermal performance

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6" x 12" or 12" x 6" Cube Core Eggcrate Return Air Grille w8h8 Efficient Airflow Design: The slots+ Product Details Size 6" x 12" or 12" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 14. 5". 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