These are a series of vanes on top of it that causes the entire top to rotate from the force of the wind. On the inside of the device is a series of propeller blade that exhaust the air from a building when the wind rotates the head.
- Natural wind driven, 24 hours all-weather operation.
- High sensitivity, as long as the breeze or indoor and outdoor temperature difference can be driven to rotate turbine blade.
- Running smooth, quiet, improve the indoor environment.
- With the whole group of senior bearings, no need of lubrication, durable, low failure rate.
Corrosion resistant, acid and alkali resistance