roof ventilatior Ampelair980

Products Name:energy sav
Quantity:unlimited
Packaging:according
Full Size:made of st
Place of Origin:Shanghai
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Solid and corrosion-resistant, 10 years warranty.
Use the theory of natural wind power, but not the motor, electricity. Operate with no cost. Turbine ventilation keeps running automatically without any noise, it also has very good capscity in exhausting gas, dust, eliminating the stink, lowering the temperature, and dehumidifying the moisture. It is durable, quiet, reliable, no electricity cost, free maintenance.

Axis and bearing
All the ventilation adopt American UCB completely closed bearings, free lubrication. Support brackets are all made by stainless steel, which has very good corrosion-resistant ability
The blades can be bent, and are designed by stamping, which can bear the strong winds with 100km/h, and are the strongest turbine ventilation equipment. No electricity cost, save a lot for business, improve the air condition effectively.