... PVC soft curtain , curtain color(white, transparent , blue)Intake & Exhaust fan: Generator dimension 3450*1050*3100mm, with 1 set 5 ... .5KW fan for exhaust air , belt-drive motor position,back side exhaust air, quadrate steel frame, blue coated ... steel(white/yellow) electirc automatic damper exhaust air outside air capacity: 15000m3/hHeating system:Configure 1 set ...