16" x 26" or 26" x 16" Cube Core Eggcrate Return Air Grille Copper Coil-Insulated Line Set 875" width X 9

875" width X 9

+ Product Details Size - 25"w X 12"h is the size for the duct opening measurement only

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and durable finish that resists scratches and maintains a clean

16" x 26" or 26" x 16" Cube Core Eggcrate Return Air Grille Copper Coil-Insulated Line Set 875" width X 9+ Product Details Size 16" x 26" or 26" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 75" X 27. 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