18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille Brown + Product Details Size -

+ Product Details Size - 32"w X 8"h is the size for the duct opening measurement only

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16

18" x 32" or 32" x 18" Cube Core Eggcrate Return Air Grille Brown + Product Details Size -+ Product Details Size 18" x 32" or 32" x 18" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 75" X 33. 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