* Material:
a) Inner water tank: SUS304
b) Outer water tank: galvanized steel alloy
c) Bracket: galvanized steel or aluminum alloy

* Solar vacuum tube with heat pipe:
a) Size: 58 x 1,900mm
b) Qty: 20 / 24/ 30pcs

* Temperature insulation layer:
50mm thickness imported polyurethane, machinery overall for keeping same temperature
and high pressure foam

* Capacity: 200 / 240/ 300 liters

* Max. pressure bearing: 1.2MPa

* 3 years' international responsibility for free repairing or exchange due to original quality problems