14" x 36" or 36" x 14" Cube Core Eggcrate Return Air Grille Supply Grille actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 20" duct opening (measured at the opening)

Suitable For Floor Wall & ceiling Applications

Its elegant look and fine finish and the natural warmth of oak wood will change the appearance of the entire room

Installing the plaster frame is effortless – secure it into your sheetrock

14" x 36" or 36" x 14" Cube Core Eggcrate Return Air Grille Supply Grille actual front end outer dimensions+ Product Details Size 14" x 36" or 36" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 37. 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