Airvent Wall Outlet Gravity Flap 100mm in White

A durable and efficient ventilation solution from Airvent. This 100mm Wall Outlet Gravity Flap enables efficient airflow while preventing backdrafts, debris and insects from entering. The gravity-operated flap opens with airflow and closes automatically when not in use. Made from durable and weather-resistant materials, it's the perfect choice for external wall installations. * 140 x 140mm vent - 100mm spigot for easy connection * Gravity-operated flap - automatic opening and closing * Prevents backdra...