The Soler and Palau PER-710 W plastic louvre back draught shutter is designed to control airflow in ventilation systems while preventing backflow. Made from durable plastic, this shutter ensures reliable operation and long-lasting performance. It is suitable for residential, commercial, and light industrial ducted ventilation systems, helping to maintain efficient airflow and protect indoor environments from unwanted air or contaminants. The PER-710 W is easy to install and provides an effective solution for maintaining ventilation system efficiency and comfort.