Custom Sizes for Any Opening Finding the right fit is easy. While our catalogue lists standard specifications, we also offer madeto solutions for nonstandard ventilation openings. Simply provide the exact dimensions of your opening, and we will manufacture a sized grille tailored to your home's needs. Optimized Round Vent Cover Our upgraded round vent grille features blades spaced at 1/2inch intervals and angled at 40 degrees to balance performance and comfort. This design maximizes airflow efficiency while reducing noise, helping maintain a quiet and pleasant indoor environment. Simple Screw Installation Designed for convenience, each air grille comes with screws included. Installation takes just four simple steps, whether on the ceiling or wall. The grille allows for effortless opening and closing, simplifying cleaning and replacement without removing complex parts. Durable ABS Construction Crafted from quality ABS material, this air grille is waterproof, rustresistant, and built to last. A tough powder coating helps protect against chipping, scratching, and fading. With a 5–10 year service life, it minimizes the need for frequent replacements while maintaining quiet, efficient airflow for your HVAC system. Practical Applications Ideal for residential HVAC air openings in living rooms, bedrooms, or hallways to enhance air circulation. Suitable for ceiling or wall installation in offices where quiet operation is essential. for custom construction projects requiring nonstandard grille sizes and durable performance.