The Soler and Palau APC-355 circular inlet/outlet with guard is designed for 355mm fan systems, providing a secure and efficient pathway for airflow. Its mitre mesh end prevents debris and foreign objects from entering the fan, ensuring consistent and reliable performance. Suitable for residential, commercial, and industrial ventilation applications, this accessory enhances system safety and airflow efficiency. Manufactured to high-quality standards, the APC-355 is a durable and practical solution for ducted fan installations.