non power roof ventilation fan for workshop
I. Natural wind drives, operating 24 hours of whole day II.Corrosive resistance, acid and alkali proof
TsingTaoJinHaoShunFeng Industry And Trade Co.,Ltd
Non-Power Fan Features:
I. Natural wind drives, operating 24 hours of whole day.II. High sensitivity, slight wind or the range of temperature can drive the blader to turn aroundIII. Rotary stablely, quietly to improve the inner environment of room.IV. Using complete senior axis bearing, no lubrication, solid, low fault rote.V. Corrosive resistance, acid and alkali proof, long service life.
non power roof ventilation fan for workshop
