Features:
1) The vacuum tube adopts GB tube (up to the national standard)
2) Parabolic surface internal bladder: higher pressure-supportive capability
3) The best angle: a reasonable bracket angle basing on different latitude in order
to gain more heat
4) Convenient installment: available on both horizontal and slanting house roofs.
Super and strong heat preservation: using the world's advanced hydraulic pressure
technology to make it with higher heat preservation
5) Meeting the demand of all kinds of families
6) Economical goods with high quality
7) Larger aperture area and larger water capacity

Specifications:
1) Thickness of bracket: 1.5mm
2) All-glass vacuum heat collection tube: 58mm x 1.8m x 15/18/21/24/30pcs
3) Inner tank: SUS304-2B food grade stainless steel
4) Outer tank: spraying painted steel
5) Tank Capacity: 137L/163L/188L/214L/265L
6) Insulating layer: thickness: 55mm
7) Thickness of inner tank: 0.4 - 0.5mm
8) Tank diameter: 490mm
9) Heat preservation: 72hrs
10) Hail resistance: 25mm
11) Aperture area: 1.446sqm/1.839sqm/2.213sqm/2.586sqm/2.960sqm/3.706sqm