30" x 36" or 36" x 30" Cube Core Eggcrate Return Air Grille Powder Coated + Product Details Size –

+ Product Details Size – 8" x 30" or 30" x 8" is the size for the duct opening measurement only

+ Product Description Maximize your home’s airflow with this premium 2-way air supply grille

no sharp edges & easy to clean

ensuring optimal circulation throughout your space

30" x 36" or 36" x 30" Cube Core Eggcrate Return Air Grille Powder Coated + Product Details Size –+ Product Details Size 30" x 36" or 36" x 30" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 32. 5" X 38. 5". 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