14" x 28" or 28" x 14" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –

+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 28 5/8" width X 14 5/8" height

text-align: left

Installation is hassle-free

14" x 28" or 28" x 14" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –+ Product Details Size 14" x 28" or 28" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16. 5" X 30. 5". 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