Natural Vulcanite Stone: Fine-grained volcanic stone designed for sauna heater applications.
Split-Face Design: Angular fractured surfaces provide substantial area for heat storage and water evaporation.
2–4 Inch Stone Size: Individual stones range from approximately 2–4 in (5–10 cm).
44 lb Box: Each box contains approximately 44.1 lb (20 kg) of natural sauna stones.
Dark Grey to Black Appearance: Fine-grained dark-grey stones develop a deeper black appearance when wet.
Heat-Resistant Material: Designed to withstand repeated temperature fluctuations during sauna operation.
Airflow-Friendly Shape: Split-face construction allows the stones to be arranged while maintaining airflow through the stone chamber.
Electric Heater Compatible: Suitable for compatible electric sauna heaters requiring stones of this size.
Wood-Stove Surface Layer: May be used as surface-layer stones in compatible wood-burning sauna stoves.
Natural Variation: Each stone is naturally unique in shape, size, texture, and coloration.