8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille 18in diameter + Product Details Size -

+ Product Details Size - 20"w X 4"h is the size for the duct opening measurement only

High Quality – Solid rigid steel body for durability and reliability

75" width X 25

and are ready to go for the next job

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille 18in diameter + Product Details Size -+ Product Details Size 8" x 30" or 30" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 31. 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