Portfolio Basket under stones The basket is designed for loading stones which, when heated, accumulate heat for a long time warming up the room specifications:Steel grade: 201Diametr (Ø): 100/200-130/230Steel thickness (mm): 0.5 Oval pipe oval chimney elements + Double-wall revision + Single-wall spark arrester (grid) single walled accessories single walled accessories + Double wall pipe double wall elements double wall elements + Single wall pipe single wall elements + Single-wall volper +