10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w10h10 Quality Packaging - Carefully Shrink

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

ensuring a perfect fit

+ Product Details Size - 16"w X 8"h is the size for the duct opening measurement only

reducing electric bills and extending HVAC machine lifespan

and waste gases transmission lines

10" x 20" or 20" x 10" Cube Core Eggcrate Return Air Grille w10h10 Quality Packaging - Carefully Shrink+ Product Details Size 10" x 20" or 20" x 10" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 75" X 21. 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