The Helios Fans RVBD 200 K is a high-quality unit connection spigot designed for use with KWL ventilation units. It features a DN 200 diameter and includes one short and one long connection side, allowing flexible integration into various duct configurations. Constructed from robust materials, the RVBD 200 K ensures a secure and airtight fit, supporting efficient airflow and system performance. Ideal for residential and commercial ventilation applications, this spigot simplifies installation while maintaining system reliability.