Features: Effective Air Circulation: Installed on an external wall, the louvered vent cover contributes to maintaining the much needed indoor air circulation. This helps in not only providing a healthy indoor environment but also saves ample space. White Color: The 4 inch soffit vent comes in a universal silver color. This makes them suitable for most interior themes and enhances your home's visual appeal. Specifications: Material: stainless steel Size: about 4'' Color: white Package include: 36 x Round air outlet vents Notes: It is recommended to wear gloves during installation and pay attention to the edge area to avoid scratches. Manual measurement, please allow slight errors on size. The colors may exist slight difference due to different screens. The edge of the product is peaked, please use it with care.