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

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

85" width X 9

+ How To Measure A Grille

+ Product Details Size – 10"w X 4"h is the size for the duct opening measurement only

much more than the required 700 psi for r410

6" x 6" Cube Core Eggcrate Return Air Grille Brown + 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