22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille w20h20 with actual outer dimensions of

with actual outer dimensions of 12

Superior Airflow Control: Built-in damper lets you control how much air enters your room

Its elegant look and fine finish and the natural warmth of oak wood will change the appearance of the entire room

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille w20h20 with actual outer dimensions of+ Product Details Size 22" x 34" or 34" x 22" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 23. 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