14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 8" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 18 5/8" height

with actual front end outer dimensions of 5"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 30" or 30" x 6" duct opening (measured at the opening)

this guard fits almost any thermostat and blends seamlessly into any setting

and sound level range of NC 25 to 35

14" x 24" or 24" x 14" Cube Core Eggcrate Return Air Grille 8" Round Duct Pipe actual front end outer dimensions+ Product Details Size 14" x 24" or 24" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" X 25. 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