Ensuring versatility for a wide range of HVAC systems, it is suitable for homes, offices, and industrial users indoors and outdoors. Material: Made of high-quality 304 stainless steel to ensure durability and rust resistance. It comes with a gasket to prevent leaks and unwanted drafts, protecting your home from damage. It is ready to use after installation and is firmly installed and will not loosen over time. Please take proper safety precautions during installation by using the provided gloves. Design: Features a sleek, modern design with a dome cover to provide wind and rain protection for your home's HVAC system. A built-in mesh screen prevents debris from entering your home and potentially damaging your HVAC system. You can rest assured that your home is protected.