{"product_id":"sauna-heater-stones-harvia-black-vulcanite-5-10-cm-20-kg","title":"Sauna heater stones Harvia Black Vulcanite 5-10 cm 20 kg","description":"\u003cp\u003eBlack vulcanite sauna heater stone is a small granular, dark grey stone. When wet, the stone shines black making it a great-looking option with selected Harvia heaters. The stone’s volcanic origins date back to ca. 2000 million years. Based on its structure and composition, vulcanite is a good choice for a sauna stone as it is hard and durable.\u003c\/p\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":46285302071485,"sku":"14-AC3040","price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/4433\/3501\/files\/Harvia_Vulcanite-black_AC3040_p1.jpg?v=1767934523","url":"https:\/\/saunaonedirect.com\/products\/sauna-heater-stones-harvia-black-vulcanite-5-10-cm-20-kg","provider":"Sauna One","version":"1.0","type":"link"}