6" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper actual front end outer dimensions

actual front end outer dimensions are approximately 37

+ Product Details Size - 20"w X 20"h is the size for the duct opening measurement only

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

and the second number represents the height

875" width X 25

6" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper actual front end outer dimensions+ 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