6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille w18h18 engineered for seamless 360-degree airflow

engineered for seamless 360-degree airflow in T-bar ceilings

it effectively prevents unauthorized access

actual front end outer dimensions are approximately 21 5/8" width X 33 5/8" height

Actual Filter Size – 35 3/4"w x 23 3/4" x 1"

75" width X 23

6" x 32" or 32" x 6" Cube Core Eggcrate Return Air Grille w18h18 engineered for seamless 360-degree airflow+ Product Details Size 6" x 32" or 32" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 34. 5". 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