Harvia R-991 Rounded Olivine Diabase Sauna Heater Stones 44lbs

Harvia R-991 Rounded Olivine Diabase Sauna Heater Stones are designed for consistent heat and smoother steam in traditional saunas. They are durable and suitable for stacking loosely in compatible heaters.

• The description claims the stones improve heat consistency and steam quality.
• The description claims the stones are durable under repeated heating and cooling cycles.
• The description claims the rounded shape encourages improved airflow and reduces hot spots.