... aluminum side cover 2.Air systemFramesteel ,powder coated Intake fan11kw Exhaust fan 11KW Intake duct4m straight exhaust ducts,one 90°bend , ... and one 60° bend Exhaust damper1 electrical VCD adjustable damper intake damper1 electrical VCD adjustable damper fire protection equipment1 set,the ... filter5 pcs Air mouth filter2 pcs M style before intake fanBag style4.Light systemUp light10 sets ,4*40w per ...