12" x 34" or 34" x 12" Cube Core Eggcrate Return Air Grille 12" Diameter enhancing the entire room with

enhancing the entire room with its elegant presence

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Multi-shutter damper with handle operator to adjust air flow

+ Product Details Size - 18"w X 16"h is the size for the duct opening measurement only

875" width X 12" height

12" x 34" or 34" x 12" Cube Core Eggcrate Return Air Grille 12" Diameter enhancing the entire room with+ Product Details Size 12" x 34" or 34" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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