... :25W,28W,38W,45W 3,Motor type:Copper or Aluminum Louver Type Exhaust Fan (semi-plastics type)Feartures:1,Use the imported solid ... by high quality ABS.5,there are wind pressure type,interlocking type and bidrectional type for selection.6,The electrical motor uses the ... *36.5*3712"APB30-A/B220/504518110056573*42*42 Louver Type Exhaust Fan (semi-plastics ...