Please note: Sauna stones are only available when purchased with a sauna heater or stove. Orders placed without a heater or stove will be canceled.

Harvia AC3045 – 4"–6" (10–15 cm) Black Vulcanite Sauna Stones

Transform your sauna sessions with the Harvia AC3045 vulcanite sauna stones, engineered to ensure efficient heating and superior heat retention for smooth, consistent steam.

With volcanic origins dating back millions of years, the fine-grained dark grey sauna stones shine black when wet for a beautiful, versatile look to compliment any sauna interior. Split-face stones store plenty of heat, are easy to stack, and enable strong air circulation for efficient and plentiful steam when water is poured upon them. 

Compatible with electric heaters or as surface layer stones for wood-burning stoves, the Harvia AC3045 sauna stones are a high-quality option that is always safe, clean and ready to use.

Note: Each natural stone is unique in shape and size. We recommend purchasing an additional box of sauna stones to allow you to choose the highest quality of stone for fit, form, and function.

Features

• Made of granular, dark grey volcanic rock that turns black when wet for a unique touch
• Split-face design that stores plenty of heat, making water vaporize efficiently when splashed on the broad surface
• Easy to stack with good air circulation, high thermal conductivity, and excellent resistance to heat fluctuations
• Compatible with electric sauna heaters or as surface layer stones for wood-burning sauna stoves
• Does not contain harmful ingredients
• Stone sizes range from 4–6" (10–15 cm)

What's Included

44 lb box of 4" to 6" (10–15 cm) sauna stones

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