10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille 2-Way + Product Details Size -

+ Product Details Size - 22"w X 14"h is the size for the duct opening measurement only

+ Product Details Outer dimensions: 7

our damper is designed to perfectly align with your setup

+ Product Details Size – 36"w X 14"h is the size for the duct opening measurement only

875" height

10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille 2-Way + Product Details Size -+ Product Details Size 10" x 26" or 26" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 27. 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