The Soler and Palau MFL-100 G4 duct mounted filter box is designed to enhance air quality and protect ducted ventilation systems. Featuring a G4 grade filter, it effectively captures dust and larger airborne particles, helping to maintain clean airflow and extend the service life of fans and duct components. With a 100mm connection size, the MFL-100 G4 is easy to install in-line with existing ductwork and is suitable for both residential and commercial ventilation applications. Its durable construction ensures reliable performance, while the replaceable filter element makes ongoing maintenance simple and cost-effective.