6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille w28h28 designed for superior airflow control

designed for superior airflow control and noise-free operation

Installation Location – sidewall and ceiling

our Butterfly Damper simplifies the process of managing airflow

+ Product Details Size – 30"w X 14"h is the size for the duct opening measurement only

+ Product Details Size – 36"w X 30"h is the size for the duct opening measurement only

6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille w28h28 designed for superior airflow control+ Product Details Size 6" x 10" or 10" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 11. 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