8" x 36" or 36" x 8" Cube Core Eggcrate Return Air Grille Grilles this air supply register is

this air supply register is ideal for sidewall and ceiling applications

actual front end outer dimensions are approximately 30 5/8" width X 32 5/8" height

Every grille has a front end frame

+ Product Details Size - 10"w X 8"h is the size for the duct opening measurement only

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

8" x 36" or 36" x 8" Cube Core Eggcrate Return Air Grille Grilles this air supply register is+ Product Details Size 8" x 36" or 36" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 37. 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