Description:Material: The floor register panel is made of thickened carbon steel, which is sturdy and durable as a whole and has strong bearing capacity. The damper box is made of high-strength ABS material, making it flame retardant and not easy to deform. The surface has been specially treated with additional anti-rust and anti-corrosion protection to ensure its durability.Features: Our adjustable air vent cover features an aesthetically pleasing decorative design that can be easily matched with existing decor styles, creating a seamless visual effect for your home. There is an internal regulating valve to adjust the air flow as needed, and it has a damping and silent function that allows it to run silently day and night, bringing a better airflow experience.