6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille + Product Details Size -

+ Product Details Size - 6"w X 6"h is the size for the duct opening measurement only

these grilles ensure easy

Solid Rigid Steel Body For Durability and Reliability

only measure the "hole" in the wall/duct

they seamlessly integrate into your space

6" x 6" Cube Core Eggcrate Return Air Grille Filter Grille + Product Details Size -+ 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