{"product_id":"harvia-sauna-heater-stones-black-vulcanite-5-10-cm-20-kg","title":"Harvia Black Vulcanite Sauna Heater Stones (5-10cm | 20kg Box)","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\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStylish vulcanite sauna heater stone. Shines black when wet.\u003c\/li\u003e\n\u003cli\u003eFor electric heaters and as a top stone for wood burning heaters\u003c\/li\u003e\n\u003cli\u003eSplit-face stones store plenty of heat, making the water thrown onto them vaporize efficiently on the broad fracture surface\u003c\/li\u003e\n\u003cli\u003eThe split-face stones are easy to stack and enable good air circulation\u003c\/li\u003e\n\u003cli\u003eExcellent resistance to heat fluctuations and thermal conductivity. Good stone gravity and heat storage capacity.\u003c\/li\u003e\n\u003cli\u003eColor and stone species: Black Vulcanite\u003c\/li\u003e\n\u003cli\u003eStone size 5cm (1-2\") and box weight 20kg (44lb)\u003c\/li\u003e\n\u003cli\u003eDoes not contain harmful ingredients\u003c\/li\u003e\n\u003cli\u003eCheck the right stone size for your heater from the heater manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Harvia","offers":[{"title":"Default Title","offer_id":51727161491729,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0266\/5883\/2426\/files\/harvia-sauna-heater-stones-black-vulcanite-5-10-cm-20-kg.jpg?v=1750361510","url":"https:\/\/360fitnesssuperstorv.com\/products\/harvia-sauna-heater-stones-black-vulcanite-5-10-cm-20-kg","provider":"360 Fitness Superstore","version":"1.0","type":"link"}