) Inner water tank :SUS304-2B food grade stainless steel plates with thickness 0.4mm
2) Outer water tank :galvanized steel plate with thickness 0.4mm
3) Vacuum tube: 47-1500mm/ 58-1800mm/ 58-2000mm, The using life lasts 15 years
4) Coating of tube: AI-N/AI-Cu
5) Bracket: stainless ste...