26" x 36" or 36" x 26" Cube Core Eggcrate Return Air Grille 12in diameter + Product Details Size –

+ Product Details Size – 32" x 32" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 27 5/8" width X 34 5/8" height

actual front end outer dimensions are approximately 22 5/8" width X 36 5/8" height

Installation – Easy drop ceiling installation

actual front end outer dimensions are approximately 11

26" x 36" or 36" x 26" Cube Core Eggcrate Return Air Grille 12in diameter + Product Details Size –+ 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