8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille 1-Way installation is a breeze

installation is a breeze

+ Product Details Size – 16"w X 8"h is the size for the duct opening measurement only

it ensures long-lasting durability

32"w X 8"h Is The Size For The Duct Opening Measurement Only

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

8" x 10" or 10" x 8" Cube Core Eggcrate Return Air Grille 1-Way installation is a breeze+ Product Details Size 8" x 10" or 10" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 11. 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