12" x 24" or 24" x 12" Cube Core Eggcrate Return Air Grille w32h32 875" width X 15

875" width X 15

+ Product Details Size - 6"w X 24"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 26" OR 26" x 28" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 22" OR 22" x 28" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 10" or 10" x 14" duct opening (measured at the opening)

12" x 24" or 24" x 12" Cube Core Eggcrate Return Air Grille w32h32 875" width X 15+ Product Details Size 12" x 24" or 24" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 25. 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