8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size -

+ Product Details Size - 28"w X 24"h is the size for the duct opening measurement only

75" Width X 9

Crafted from robust 20-gauge steel

you can watch this informative video tutorial: How to Measure Your Vent Hole Before Ordering a Grille

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

8" x 34" or 34" x 8" Cube Core Eggcrate Return Air Grille Copper Coil + Product Details Size -+ Product Details Size 8" x 34" or 34" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 35. 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