6" x 16" or 16" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper Installation Location – Sidewall or

Installation Location – Sidewall or ceiling

We are proud to have served over 5

actual front end outer dimensions are approximately 21

If your hole is 14" wide by 20" tall

and matte black

6" x 16" or 16" x 6" Cube Core Eggcrate Return Air Grille Fixed Blades with Damper Installation Location – Sidewall or+ Product Details Size 6" x 16" or 16" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 8. 5" X 18. 5". 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