8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe 85" width X 19

85" width X 19

Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

75" width X 17

actual front end outer dimensions are approximately 21

8" x 24" or 24" x 8" Cube Core Eggcrate Return Air Grille 18" Round Duct Pipe 85" width X 19+ Product Details Size 8" x 24" or 24" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 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