Roof Extractor Fan Wind Driven Turbine Air Ventilator Roof Fan wind turbo fan
Specifications/ structure:1.Material:madeof stainless steel by stretching forming, attractive appearance, no rust,
2.Bearing:wholelsealingbearing,whichcanensureitoperatessmoothlyandconstantly.
3.Specialcentralshaftdesign,high-class lubricating bearing system: preventing turbine blades
rotating at high speed from deformation, and extending the service life.
4.Inside support frame: cast iron.
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