10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 20" or 20" x 6" duct opening (measured at the opening)

+ Product Details Size – 10" x 26" or 26" x 10" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

Design – Multi-shutter damper with handle lever for easy opening and closing - screws included

10" x 26" or 26" x 10" Cube Core Eggcrate Return Air Grille RV Mobile Home + Product Details Perfect Fit+ Product Details Size 10" x 26" or 26" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 27. 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