14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 6" Diameter that will overlap at wall

that will overlap at wall joint

with actual outer dimensions of 10

actual front end outer dimensions are approximately 30 5/8" width X 36 5/8" height

The unique sponge gasket ensures an airtight seal

+ Product Details Size – 28"w X 20"h is the size for the duct opening measurement only

14" x 34" or 34" x 14" Cube Core Eggcrate Return Air Grille 6" Diameter that will overlap at wall+ Product Details Size 14" x 34" or 34" x 14" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 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