10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w6h6 actual front end outer dimensions

actual front end outer dimensions are approximately 3

+ Product Details Size – 12"w X 24"h is the size for the duct opening measurement only

border-radius: 50%

Do not measure the overall size of the register itself

+ Product Details Size - 30"w X 4"h is the size for the duct opening measurement only

10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w6h6 actual front end outer dimensions+ Product Details Size 10" x 20" or 20" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 21. 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