14" x 30" or 30" x 14" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Size –

+ Product Details Size – 24"w X 6"h is the size for the duct opening measurement only

4" X 12" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

+ Product Details Size – 24"w X 10"h is the size for the duct opening measurement only

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14" x 30" or 30" x 14" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Size –+ Product Details Size 14" x 30" or 30" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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