8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood Great emphasis has been invested

Great emphasis has been invested in the design of this product to prevent it from kinking in sharp bends & turns and to hold steady and at full diameter in all applications

Efficient Airflow Design: The slots are meticulously angled to diversify airflow in two directions

these pipes offer easy handling

Actual Front End Outer Dimensions Are 12" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood Great emphasis has been invested+ 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