24" x 34" or 34" x 24" Cube Core Eggcrate Return Air Grille Copper Coil-Insulated Line Set + Product Details Size -

+ Product Details Size - 24"w X 24"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 27 5/8" width X 14 5/8" height

European: EN 10270-1-SM

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only measure the "hole" in the wall/duct

24" x 34" or 34" x 24" Cube Core Eggcrate Return Air Grille Copper Coil-Insulated Line Set + Product Details Size -+ Product Details Size 24" x 34" or 34" x 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" X 35. 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