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Roof non-power fan ceiling mounted exhaust fan
Automatic driving by wind, working 24 hours of a day
High sensitivity, the blades drive with slight wind, the difference in temperature also makes the blade driving.
Stable rotary, mute sounds so no influence of the workshop
Complete senior axis bearing, no lubrication
Corrosion resistant, acid proof and alkali proof, long time using
Different sized according to the size of the workshop
The size can be made according to customers' requirements
Gongle first class wind-driven non-power roof fan