The Soler and Palau CAR-315 is a duct mounted back draught shutter designed for 315mm ventilation systems. It effectively blocks unwanted reverse airflow when the fan is not operating, helping maintain energy efficiency and prevent drafts. Constructed from durable materials, the CAR-315 provides long-lasting performance and is suitable for commercial, industrial, and residential applications. Easy to install within ductwork, this back draught shutter ensures controlled airflow and enhances overall system reliability.