Features:

It work without the electricity power,they can change our air condition indoor,leave us a comfortable environments.
The turbine alway rotate in the same directions no matter of the wind strength or its directions.
It is to be mounted on gravitation based ventilation chimney duct ending.Roof turbine ventilator can exhaust the hot air, waste gas, dust and other harmful gas; meanwhile Beautify our living and surrounding.

 Main technical parameters:

The size can be made according to customers' requirements

If you are interested in our products ,please contact us!