Size ? 10" opening (vent hole) dimension - actual size is approx 2" wider Design ? Heavier gauge than needed, built for durability and long life in mind, but still light and handy. (Screws included). Airflow ? Easy unrestricted airflow for your HVAC system. Powder-Coat Finish ? Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed. Installation Location ? Ceiling. Product Description Enhance your ventilation system with our high-quality grilles and registers. Designed for optimal air flow and lasting durability, our carefully crafted products offer superior performance. With precise measurements and easy installation, they seamlessly integrate into your space, ensuring a perfect fit. Experience the difference in quality with our sleek design and hassle-free functionality. Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment.