Base made of semi-gloss Polyethylene (PE), removable burner made of stainless steel. Removable crystals flame baffle.. The Bio-fireplace "ONE", as all bio fireplaces of the collection "Twisty Fire", has a burner certificated by TÜV, with reduced consumption of bioethanol (max 0,2 l / h) and with low CO2 emissions (less than 30ppm). The porous stone contained within the burner makes this fireplace ultra secure, its preventing any accidental spillage.