Blauberg 4-Room Standard Heat Transfer Kit - 200MM Blauberg Exhaust Fan | 1080 M3/HEffortlessly warm four areas of your home using one central heat source with the Blauberg 4 Room Standard Heat Transfer Kit. This complete multi room system captures warm air from a heated space and distributes it into four separate rooms, helping you maintain a comfortable, balanced environment throughout your home. The system features the powerful Blauberg Turbo 200MM mixed flow fan, which delivers a high airflow of 1080 m3 h while maintaining low