20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Grille Powder-Coated Just run your finger along

Just run your finger along the edge of the top plate and you’ll find a smooth finished surface

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

+ Product Details Size – 30"w X 24"h is the size for the duct opening measurement only

vibration-free performance

20" x 34" or 34" x 20" Cube Core Eggcrate Return Air Grille Powder-Coated Just run your finger along+ Product Details Size 20" x 34" or 34" x 20" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21. 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