... 1.5~2.0mm*Interior thickness:2.5mm~3.0mm*Stainless steel heating jacket, both on the bottom and around the side* ... of the fermenters/unitanks/CCVs:Conical bottom, cylindrical top, stainless steel 304 double walled jacket tanksBottom cone 60-75 degree, ... valve, sampling valve, drainage valve food and sanitary grade stainless steel 304 materialPU(Polyurethane) or Rock wool Foam Insulation, Cover Body ...