The Soler and Palau CAR-150 is a duct mounted back draught shutter designed for 150mm diameter ventilation systems. It effectively prevents the reverse flow of air when the fan is not in operation, helping to maintain energy efficiency and protect the system from unwanted drafts. Made from durable materials, the CAR-150 is built for long-lasting performance and is suitable for both commercial and industrial applications. Easy to install within ductwork, this back draught shutter is a practical accessory for maintaining controlled and reliable airflow in ventilation setups.