6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size –

+ Product Details Size – 24"w X 12"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height

With its reliable construction and sleek design

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Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings

6" x 28" or 28" x 6" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size –+ 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