32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille Adjustable Return actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 32 5/8" height

+ Product Details Size – 20"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 14 5/8" height -

actual front end outer dimensions are approximately 29

32" x 34" or 34" x 32" Cube Core Eggcrate Return Air Grille Adjustable Return actual front end outer dimensions+ Product Details Size 32" x 34" or 34" x 32" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 33. 75" X 35. 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