12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille Powder-Coated + Product Details Size -

+ Product Details Size - 32"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are 32" width X 10" height

with actual outer dimensions of 38

Actual Filter Size – 7 3/4"w x 35 3/4" x 1"

How to Measure Your Vent Hole Before Ordering a Grille

12" x 16" or 16" x 12" Cube Core Eggcrate Return Air Grille Powder-Coated + Product Details Size -+ Product Details Size 12" x 16" or 16" x 12" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 75" X 17. 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