The RDF Series Duct Fan is a compact and efficient solution for air supply and exhaust in ventilation systems. Designed for easy installation in rectangular ducts, it offers quiet operation and a discreet appearance, making it ideal for shopping malls, restaurants, offices, hotels, and technical spaces. The fan cover allows easy maintenance, and a wide range of accessories—such as silencers, non-return valves, or filters—enable customization to meet specific installation needs.