26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille fixed bar Experience hassle-free installation and full

Experience hassle-free installation and full adjustability for optimal airflow

+ Product Details Size – 28" x 34" or 34" x 28" is the size for the duct opening measurement only

75"H – fits a 20" X 8" duct opening

actual front end outer dimensions are approximately 14 5/8" width X 20 5/8" height

Width vs Height

26" x 30" or 30" x 26" Cube Core Eggcrate Return Air Grille fixed bar Experience hassle-free installation and full+ Product Details Size 26" x 30" or 30" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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