24" x 36" or 36" x 24" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 25" OR 25" X 16" duct opening (measured at the opening)

+ Product Details Size – 14" x 24" or 24" x 14" is the size for the duct opening measurement only

flex-shrink: 0

+ Product Details Size – 26"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 16 5/8" width X 32 5/8" height

24" x 36" or 36" x 24" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Perfect Fit+ Product Details Size 24" x 36" or 36" x 24" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 75" X 37. 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