26" x 28" or 28" x 26" Cube Core Eggcrate Return Air Grille Insulated Line Set resisting rust and wear while

resisting rust and wear while adding a sleek

our product offers both aesthetic appeal and efficient airflow

875" width X 16" height

+ Product Details Size - 25"w X 26"h is the size for the duct opening measurement only

26" x 28" or 28" x 26" Cube Core Eggcrate Return Air Grille Insulated Line Set resisting rust and wear while+ Product Details Size 26" x 28" or 28" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 29. 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