8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Black + Product Details Size –

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system

Choose our premium HVAC grilles and registers for long-lasting durability

8" x 12" or 12" x 8" Cube Core Eggcrate Return Air Grille Black + Product Details Size –+ Product Details Size 8" x 12" or 12" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" X 13. 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