6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille they seamlessly integrate into your

they seamlessly integrate into your space

these grilles ensure easy

Solid Rigid Steel Body For Durability and Reliability

75" width X 21

6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille they seamlessly integrate into your+ Product Details Size 6" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 7. 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 electric bills and