Narvi Velvet Wood Burning Sauna StoveFor up to 705 cubic feet sauna room The Scandinavian design of the sauna heater Narvi Velvet fits well in a modern as well as in a traditional sauna. Thanks to the big amount of stones the sauna offers long and enjoyable steam also for frequent sauna users. The sauna heater is provided with a double casing that simplifies the stacking of stones. Thanks to the glazed hatch it is easy to keep the flames even and at the same time it creates a cosy