18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille RG66 Black-HP improves airflow

improves airflow

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[Outer Dimensions: 26

with actual outer dimensions of 20

Experience the difference in quality with our sleek design and hassle-free functionality

18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille RG66 Black-HP improves airflow+ Product Details Size 18" x 32" or 32" x 18" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" X 33. 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