10" x 18" or 18" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter + Product Details Size –

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

Its elegant look and fine finish and the natural warmth of oak wood will change the appearance of the entire room

We pride ourselves on offering top-of-the-line products that meet the highest standards

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

The total outer size of this grille is the listed size

10" x 18" or 18" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter + Product Details Size –+ Product Details Size 10" x 18" or 18" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 19. 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