The Harvia sauna stones made from vulcanite are specifically designed for use in saunas and provide optimal heat conduction. With a diameter of 10 to 15 cm and a total weight of 20 kg, these stones are ideal for use in various sauna stoves. Vulcanite is a high-quality material that has a high melting temperature of 1400 °C, offering excellent resistance to high temperatures. The stones feature a high compressive strength of 13.2 MPa, underscoring their durability and reliability in sauna operation. Made in Finland, these sauna stones guarantee outstanding quality and performance. They are an essential accessory for any sauna and contribute to creating a pleasant and relaxing atmosphere. The use of vulcanite ensures that heat is evenly distributed, leading to an optimal sauna experience.