10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille Insulated Line /* Adding space between bullet

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finished in sleek chrome

3/8" - 4223 PSI

modern Victorian

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

10" x 30" or 30" x 10" Cube Core Eggcrate Return Air Grille Insulated Line /* Adding space between bullet+ 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