The Soler and Palau MFL-125 G4 duct mounted filter box is designed to improve air quality by capturing dust and airborne particles in ventilation systems. Equipped with a G4 grade filter, it delivers efficient filtration performance while maintaining airflow. This model is suitable for 125mm duct connections, making it an ideal solution for small to medium-sized ventilation setups. Easy to install and maintain, the MFL-125 G4 helps extend the lifespan of downstream components by reducing contamination and ensuring a cleaner and healthier indoor environment.