36" x 36" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" 6" width X 7

6" width X 7

Choose from a palette of four elegant colors – white

+ Product Details Size - 22"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 4" Diameter is the size for the duct opening measurement only

High Quality – Solid rigid steel body for durability and reliability

36" x 36" Cube Core Eggcrate Return Air Grille Compatible with Duct 10" 6" width X 7+ Product Details Size 36" x 36" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 37. 75" X 37. 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