32" x 36" or 36" x 32" Cube Core Eggcrate Return Air Grille Supply Grille + Product Details Size -

+ Product Details Size - 14"w X 10"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 14" in diameter

For 10" duct opening

actual front end outer dimensions are approximately 34 5/8" width X 22 5/8" height

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

32" x 36" or 36" x 32" Cube Core Eggcrate Return Air Grille Supply Grille + Product Details Size -+ Product Details Size 32" x 36" or 36" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 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