34" x 34" Cube Core Eggcrate Return Air Grille with filter + Product Details Size –

+ Product Details Size – 14" x 36" or 36" x 14" is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 6" duct openings

High Quality – high-quality steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Spec Sheet Return Air Grille Spec Sheet

actual front end outer dimensions are approximately 3

34" x 34" Cube Core Eggcrate Return Air Grille with filter + Product Details Size –+ Product Details Size 34" x 34" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 35. 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 electric