Type:Heating Product name:ETL US certificate double wall chimney pipe for fireplace and stove Material:Inner: SS304/2B; Outer:SS304/BA Thickness:0.5mm Diameter size:100/150,150/200mm,175/225,200/250mm certificate:ETL,CE Material 2:Inner: SS316/2B; Outer:SS304/BA length:1000mm,980mm,500mm,300mm,200mm color:stainless steel, black painting Accessories:flue pipe, elbow, tee, raincap, support... Installation:twistlock Show More