Butterfly Cone Fan

1. reasonale cone design,low noise,big volume,less work cost. imported bearing,high tensity,durable.

2. PVC or Aluminum Shutter,antioxidant,light weight.

3. No deformation,flexiable open-close,avoid air backflow six pieces stainless steel blade,no broken.

4. vertical or incline type exhaust fan can be choose,meet the need of different site.

5. configurate efficient energy saving motor,3C identification,protection grade:lP55,insulation grade:F