6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille Black +Product Description Introducing our Modern

+Product Description Introducing our Modern Floor Register Grille with Dampers – a perfect blend of elegance and functionality for your home

+ Product Details Size – 16" x 20" or 20" x 16" is the size for the duct opening measurement only

9% Pure Copper meeting ASTM B280 standards

Every grille has a front end frame

For a visual guide on how to measure your vent hole before ordering a grille

6" x 30" or 30" x 6" Cube Core Eggcrate Return Air Grille Black +Product Description Introducing our Modern+ Product Details Size 6" x 30" or 30" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 31. 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