10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille 2-Way 5" width x 13

5" width x 13

Actual Filter Size – 33 3/4"w x 5 3/4" x 1"

875" height

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

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

10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille 2-Way 5" width x 13+ 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