6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –

+ Product Details Size – 18"w X 30"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 26 5/8" width X 38 5/8" height -

actual front end outer dimensions are approximately 32 5/8" width X 16 5/8" height

luxurious finish adds a touch of sophistication to any room

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 4" duct openings

6" x 10" or 10" x 6" Cube Core Eggcrate Return Air Grille Curved Blade Steel + Product Details Size –+ Product Details Size 6" x 10" or 10" x 6" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 75" X 11. 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