8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe font-size: 14px

font-size: 14px

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

+ Product Details Size – 10"w X 6"h is the size for the duct opening measurement only

scratch-resistant

8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe font-size: 14px+ Product Details Size 8" x 24" or 24" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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