1. Inner tank: SUS304 2B 2. Outer tank: Colored steel-thickness 0.4mmor aluminum -zinc coated steel-thickness 0.45mm 3. Vacuum tube:47mm diameter-1500mm length/58mm diameter-1800mm length4. Insulation layer of water tanks adopts polyurethane foam , thickness 55mm. 5. Frame: coated galvanized steel-thickness 1.5mm 6. It's very suitable for family use, and it's popular in Asia, Africa, torrid area etc.7. It's very easy for installation.
