1)Capacity: 120L, 240L, 260L, 320L
2) Flat panel: 2sqm, 4sqm
3) Absorb coating: black paint, black chrome, selective blue coating
4) Absorb plate: all copper ,copper and aluminum unified core
5) Support: galvanized steel sheet with paint
6) Inner water tank: food grade SUS304 stainless steel
7) Out tank: imported color steel plate
8) Measure of flat: 2,000 x 1,000 x 70mm
9) Quality: first class