12" x 30" or 30" x 12" Cube Core Eggcrate Return Air Grille RV Mobile Home this grille is a testament

this grille is a testament to high standard craftsmanship

this HVAC vent duct cover ensures durability and reliability

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

7/8” - 3397 PSI

12" x 30" or 30" x 12" Cube Core Eggcrate Return Air Grille RV Mobile Home this grille is a testament+ 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