8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood Efficient Airflow Design: The slots

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

listed size +1

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

color: #333

+ Product Details Size – 12" x 12" is the size for the duct opening measurement only

8" x 30" or 30" x 8" Cube Core Eggcrate Return Air Grille Color_Red Oak Wood Efficient Airflow Design: The slots+ 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