14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille Color_Aluminum +How To Measure A Grille

+How To Measure A Grille Overall Size:

+ Why HVAC Premium

actual front end outer dimensions are approximately 5

+ Product Details Size – 24" x 24" is the size for the duct opening measurement only

14" x 20" or 20" x 14" Cube Core Eggcrate Return Air Grille Color_Aluminum +How To Measure A Grille+ Product Details Size 14" x 20" or 20" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 21. 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