Louver Type Exhaust Fan (semi-plastics type) 1,Size:6",8",10",12" 2,Power:25W,28W,38W,45W 3,Motor type:Copper or Aluminum Louver Type Exhaust Fan (semi-plastics type)Feartures:1,Use the imported solid lubricating oil,no impurity,anti-seep and not melted under high temperature environment.2,The electrophoressis caoted metal structure make it anticorrosion ,no rust,firm and durable.3,The face ...