10" x 18" or 18" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter The total outer size of

The total outer size of this grille is the listed size

actual front end outer dimensions are approximately 28 5/8" width X 32 5/8" height

maintaining their elegant

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

10" x 18" or 18" x 10" Cube Core Eggcrate Return Air Grille 14" Diameter The total outer size of+ 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