10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille w30h30 with actual outer dimensions of

with actual outer dimensions of 22

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

equipped with a lever for airflow dampening

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

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

10" x 34" or 34" x 10" Cube Core Eggcrate Return Air Grille w30h30 with actual outer dimensions of+ Product Details Size 10" x 34" or 34" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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