10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 34"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 14 5/8" width X 26 5/8" height

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antique bronze

+ Product Details Size – 22"w X 8"h is the size for the duct opening measurement only

10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe + Product Details Size -+ Product Details Size 10" x 34" or 34" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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