16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille White + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 34" or 34" x 6" duct opening (measured at the opening)

Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

+ Product Details Size - 12"w X 26"h is the size for the duct opening measurement only

Design – Designed to withstand bends and sharp turns without kinking

16" x 24" or 24" x 16" Cube Core Eggcrate Return Air Grille White + Product Details Perfect Fit+ Product Details Size 16" x 24" or 24" x 16" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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