26" x 26" Cube Core Eggcrate Return Air Grille Powder-Coated + Product Details Size -

+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only

please note that the total outer dimensions of the grille measure 16" in diameter

actual front end outer dimensions are approximately 22 5/8" width X 16 5/8" height

+ Product Details Size - 30"w X 6"h is the size for the duct opening measurement only

+ Product Details Size - 16"w X 26"h is the size for the duct opening measurement only

26" x 26" Cube Core Eggcrate Return Air Grille Powder-Coated + Product Details Size -+ Product Details Size 26" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 27. 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 electric