16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Grille Aluminum Bar + Product Details Size -

+ Product Details Size - The listed 10" diameter refers specifically to the size of the duct opening

+ Product Details Size - 24"w X 22"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height

+ Product Description This aluminum flex duct is intended to be used in heating

16" x 32" or 32" x 16" Cube Core Eggcrate Return Air Grille Aluminum Bar + Product Details Size -+ Product Details Size 16" x 32" or 32" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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