1.Color steel series:Specification:1)TankTank material (exterior): Painted steel thickness: 0.41mmTank material (interior): SUS304 2B stainless steel ,Thickness:0.4mmTank Capacity: 150L - 300LOuter Tank Diameter:460mm Inner tank diameter:350mm Insulation:55mm polyurethane foam 2)Vacuum tube Or three target tube Outer Diemater: Φ 58mm Inner Diemater: Φ47 Wall thickness:16mmLength:1800mm Tube material:Borosilicat glass 3.3 3)Support :Galvanized SteelThickness: 1.5 mmTubes and supports are adjustable