26" x 34" or 34" x 26" Cube Core Eggcrate Return Air Grille RV Mobile Home making it adaptable to various

making it adaptable to various airflow needs

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 34" OR 34" x 30" duct opening (measured at the opening)

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

Actual Filter Size – 25 3/4"w x 21 3/4" x 1"

align-items: center

26" x 34" or 34" x 26" Cube Core Eggcrate Return Air Grille RV Mobile Home making it adaptable to various+ 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