1.Outer tank diameter: 420mm(47-1.5m)/ 460mm(58-1.8m)/ 480mm (58-2.0m) 2.Outer tank material: PVDF/colorful plate steel 3.Inner tank diameter: 310mm(47-1.5m)/ 360mm(58-1.8/2.0m) 4.Inner tank material & thickness: stainless steel SUS 304-2B & 0.4mm 5.Support stand: Galvanized steel/Alluminum alloy 6.Insulation: 55mm(47-1.5m)/ 55mm(58-1.8m)/ 60mm (58-2.0m) polyurethane foam 7.Capacity:100L-250L Carton