Harvia sauna stones 10-15 cm 20 kg

Original Harvia split-face sauna stones, 10–15 cm — for wood-burning heaters and larger electric heaters. They release stored heat slowly and give dense, soft steam when water is poured.

• size: 10–15 cm, 20 kg package
• natural volcanic stone, resistant to high temperatures
• rinse before first use and stack loosely so air can circulate
• recommended replacement with regular use: every 1–2 years