26" x 34" or 34" x 26" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

+ Product Details Size – 34"w X 32"h is the size for the duct opening measurement only

Location – ceiling and sidewall

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 4" duct openings

26" x 34" or 34" x 26" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Perfect Fit+ Product Details Size 26" x 34" or 34" x 26" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27. 75" X 35. 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