Stadium BM72/1 White Louvre Vent – 10" x 7" Internal Grille. The Stadium BM72/1 Louvre Vent is a high-quality, low-profile vent grille designed for internal wall or door ventilation. Measuring 10 inches x 7 inches (254mm x 178mm), this vent provides constant airflow while maintaining privacy and blocking light through its angled louvre slats. Made from durable white plastic, it’s easy to clean, lightweight, and simple to install—making it ideal for use in kitchens, bathrooms, airing cupboards, or utility rooms where passive ventilation is needed.