The Soler and Palau CAR-100 duct mounted back draught shutter is designed to prevent unwanted reverse airflow in 100mm ducting systems. It ensures smooth and efficient airflow while protecting the ventilation system from draughts and external debris. Manufactured from durable materials, this shutter provides reliable performance and longevity. Suitable for residential and commercial ducting applications, the CAR-100 is a practical accessory for maintaining effective ventilation and protecting fan systems.