Natural Olivine Diabase: Traditional natural stone selected for sauna heater applications.
Split-Face Design: Angular fractured surfaces provide substantial heat-storage area and efficient water evaporation.
2–4 Inch Stone Size: Individual stones range from approximately 2–4 in (5–10 cm).
44 lb Box: Supplied as approximately 44 lb of natural sauna stones.
High Heat Capacity: Dense olivine diabase absorbs and retains substantial heat during sauna operation.
Airflow-Friendly Shape: Angular stones allow loose placement to promote airflow through the heater's stone chamber.
Electric Heater Compatible: Suitable for compatible Harvia electric sauna heaters.
Wood-Burning Stove Compatible: Suitable for compatible Harvia wood-burning sauna stoves where this stone size is specified.
Select Harvia Series Compatibility: Identified for Vega, KIP, Cilindro, TopClass, Club, and The Wall heater series.
Natural Variation: Each stone naturally varies in size, shape, texture, and appearance.