26" x 36" or 36" x 26" Cube Core Eggcrate Return Air Grille Powder Coated please note that the total

please note that the total outer dimensions of the grille measure 7" in diameter

+ Product Details Size - 10"w X 12"h is the size for the duct opening measurement only

Featuring a multi-shutter damper with an easy-access lever

Crafted with a solid steel body

actual front end outer dimensions are approximately 32 5/8" width X 30 5/8" height

26" x 36" or 36" x 26" Cube Core Eggcrate Return Air Grille Powder Coated please note that the total+ Product Details Size 26" x 36" or 36" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 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