Separate Pressure Water Tank Inner Tank:SUS304/2B,2.0mm Outer Tank:Galvanized Steel Alloy,0.4mm Insulation:Polyurethane,50mm MaterialInner tank: Imported stainless steel (SUS304/2B) Outer tank: Galvanized ... steel alloy Bracket: Galvanized steel alloy Heat insulation layer: Imported polyurethane (Bayer, Germany)ThicknessInner tank: 2.0mm ...