8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Grille Powder Coated Ideal for Walls & Ceilings:

Ideal for Walls & Ceilings: Designed for seamless installation in standard 8" X 4" duct openings

Crafted from durable ABS plastic

875" width X 9

actual front end outer dimensions are 15" Width X 15" Height

+ Product Details Size – 12" x 36" or 36" x 12" is the size for the duct opening measurement only

8" x 32" or 32" x 8" Cube Core Eggcrate Return Air Grille Powder Coated Ideal for Walls & Ceilings:+ Product Details Size 8" x 32" or 32" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 33. 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