Model Number: VC-DS4176-135 Size: Diameter of 135 mm, designed for duct openings of the same size. Material: Made from high-quality, durable plastic that is resistant to wear, moisture, and corrosion, ensuring longevity in a variety of environments. Color: White (providing a neutral finish that blends well with most interior designs). Design: Circular shape with slotted or perforated sections for optimized airflow. Simple, smooth, and modern design, offering both functionality and aesthetic appeal. May include adjustable features to control airflow, depending on the model version. Mounting: Designed for easy surface mounting on walls or ceilings using screws or clips, ensuring a secure and straightforward installation process.The Dospel Vent Cover VC-DS4176-135 is ideal for medium-sized rooms or areas, providing an efficient way to regulate airflow while offering an aesthetically pleasing, easy-to-install solution for covering duct openings.