22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Powder Coated Designed with individually adjustable curved

Designed with individually adjustable curved blades

+ Product Details Size - 36"w X 20"h is the size for the duct opening measurement only

diagonally feed it through the square hole

Achieve the perfect airflow with adjustable control by rotating the middle disk

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

22" x 34" or 34" x 22" Cube Core Eggcrate Return Air Grille Powder Coated Designed with individually adjustable curved+ 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