12" x 30" or 30" x 12" Cube Core Eggcrate Return Air Grille RV Mobile Home background-color: #000

background-color: #000

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

actual front end outer dimensions are approximately 37

this grille is a testament to high standard craftsmanship

+ Product Details Size – 10" x 30" or 30" x 10" is the size for the duct opening measurement only

12" x 30" or 30" x 12" Cube Core Eggcrate Return Air Grille RV Mobile Home background-color: #000+ Product Details Size 12" x 30" or 30" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 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