1)Vacuum tube: normal glass vacuum tube, please refer to glass vacuum tube. Type: horizontal
2)Manifold: SUS304-2B stainless steel or Powder coated Aluminum
3)Structure/stand: SS301 or hot galvanized spray painted structure
4)Reflector: stainless steel
5)Insulation: polyurethane 55mm
6)Horizontal angle: 30 degrees
7)Height: 1.40+/-0.033m
8)Hailstone resistance: up to 25mm Life: 15 years.

Designed for solar heating system, low cost and installed easily; widely used in public buildings of official department, hotel, school or big enterprise etc.