Advantages：
1. All aluminum alloy construction
2. Anodic oxidation or powder coating on aluminum alloy- long term anti- corrosive and durability.
3. Aluminum alloy section bar for internal support, anodic oxidation on the surface of section bar.
4. Aluminum alloy rivets, EPDM sealing ring are fit on top rivets for sealing and waterproof.
5. Reasonable design provides for excellent air flow, ventilation coefficient achieves 1:1.
6. Its design prevents rain and snow from entering inside.
7. Rustproof anti-bird mesh is available inside.
8. Varipitch design allows easy DIY installation and suitable for roofs with any angles.
9. Cyclone region rating is available.
MODEL | Varipitch (mm) | Total Height (mm) | Head Diameter (mm) | Varipitch Height (mm) | Blade Nos | Weight(kg) | Base |
500# | 500 | 460 | 700 | 190 | 2 | 4.3 | 750*800 |