Certification: Solar Keymark, CE, ISO9001

Detailed Product Description:
1. Material &Thickness of Frame: Aluminium Alloy & 2.75mm
2. Material of insulation: Polyurethane foam & aluminium silicate
3. Thickness of insulation: 35mm (polyurethane foam)
4. Header pipe thickness: 1 mm
5. Manifold thickness: 1mm
6. Manifold Diameter: 38mm
7. Manifold material: Copper
8. Vacuum tube: SS-C/Cu selective coating
9. No. Of vacuum tubes: 12---30 for one collector

Features:
1. Suitable for both flat roof and slope roof
2. Employing sliding way for the frame, much more easier for installation, especially suitable for European-styled houses
3. High efficiency: >55% and >40% in winter
4. Still works as normal as before even one vacuum tube destroys
5. Hailstone resistance: 25mm
6. Higher effeciency, stable performance, beautiful design