14" x 30" or 30" x 14" Cube Core Eggcrate Return Air Grille w14h14 + Product Details Size -

+ Product Details Size - 18"w X 30"h is the size for the duct opening measurement only

will change the appearance of the entire room

actual front end outer dimensions are approximately 19

actual front end outer dimensions are 11

14" x 30" or 30" x 14" Cube Core Eggcrate Return Air Grille w14h14 + Product Details Size -+ Product Details Size 14" x 30" or 30" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 31. 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