10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille sidewall querySelector('

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+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

7/8" - 3397 PSI

Heavy Gauge Steel

10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille sidewall querySelector('+ Product Details Size 10" x 30" or 30" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 31. 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