12" x 12" Cube Core Eggcrate Return Air Grille Return Grille Every grille has a front

Every grille has a front end frame

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

Its polished pre-finish gloss varnish not only adds to its appeal but also ensures easy installation

ensuring it arrives in perfect condition

12" x 12" Cube Core Eggcrate Return Air Grille Return Grille Every grille has a front+ Product Details Size 12" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 13. 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 electric