Water tank capacity:140L,153L,169L,198L,255L

Inner tank: SUS304-2B food grade type thickness:0.4mm,370mm

Outer tank: Painted steel 0.4mm/stainless steel 0.4mm,470mm 

Heat insulation layer: High quality polyurethane foam made by advanced high

                    pressure foam machine,Thickness 50mm(outer tank 470mm)

Vacuum Tube Material:High quality borosilicate glass

Vacuum Tube Size(mm):58*2100mm,58*1800mm 

Tube quantity:16,18,20,24,30

Bracket: Stainless steel plate or Galvanized steel--1.5mm

Accessory:Optional assistant tank and electrical heater

Warranty: 1 year for electric parts/5 Years for the full system /15 Years for the vacuum tube