Unpowered fan

Propelled by natural wind, running 24 hours a day.

High sensitivity, as long as there is a breeze or there is a temperature difference between indoor andoutdoor, the turbine blades can be driven to rotate.

Stable operation, quiet, and improve the indoor environment.

Adopt a whole set of high-grade bearings, without lubrication, durable and low failure rate.Corrosion resistance, acid and alkali resistance, long service life