6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille Powder-Coat they seamlessly integrate into your

they seamlessly integrate into your space

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

+ Product Details Size – 18"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 6"w X 14"h is the size for the duct opening measurement only

6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille Powder-Coat they seamlessly integrate into your+ Product Details Size 6" x 32" or 32" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 34. 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