14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille fixed bar Great emphasis has been invested

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

This thoughtful design ensures optimal air circulation for your HVAC system

Total outer size of this grille is

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This simple adjustment reduces HVAC strain

14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille fixed bar Great emphasis has been invested+ Product Details Size 14" x 20" or 20" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 21. 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