Aleko Sawo Sauna Heater Rocks/Stones Replacement PartsHigh quality sauna stones. Sawo sauna rocks store heat from the sauna heater. When the bather throws water onto the hot rocks, the steam will blend with the dry air in the room, giving the bather an enjoyable and relaxing atmosphere. Never use the heater without stones, it may cause a fire. 40 Pounds of high quality sauna stones. What's Included 1x Sawo High Quality Sauna Heater Rocks Features Sauna rocks store heat from the sauna heater. When the