10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille 1-Way actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 24 5/8" height

+ Product Details Size – 20"w X 8"h is the size for the duct opening measurement only

Design – Easy unrestricted airflow for your HVAC system - 50° angled to provide maximum airflow

875" width X 25

actual front end outer dimensions are approximately 34 5/8" width X 34 5/8" height

10" x 22" or 22" x 10" Cube Core Eggcrate Return Air Grille 1-Way actual front end outer dimensions+ Product Details Size 10" x 22" or 22" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 23. 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