10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille Filter Grille High Quality – High quality

High Quality – High quality steel construction

6" width X 5

Smooth Surface Edges - Run Your Fingers Across The Surface To Feel The Smoothness

with actual outer dimensions of 26

10" x 12" or 12" x 10" Cube Core Eggcrate Return Air Grille Filter Grille High Quality – High quality+ Product Details Size 10" x 12" or 12" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 13. 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