Harvia AC3020 – Large Split-Face Olivine Sauna Stones (10–15 cm)
Professional-Grade Stones for Maximum Heat & Steam Capacity
The Harvia AC3020 are robust, high-density olivine-diabase stones sized 10 cm–15 cm (4″–6″) designed for larger electric or wood heaters. Their split-face design delivers excellent heat storage and efficient steam generation, making them an ideal match for high-capacity sauna heaters. The broader surface and angular shape also enhance air circulation within the heater, protecting elements and boosting performance.